#METABOLOMICS WORKBENCH ngrayson_20240112_105546 DATATRACK_ID:4568 STUDY_ID:ST003178 ANALYSIS_ID:AN005217 PROJECT_ID:PR001977
VERSION             	1
CREATED_ON             	April 23, 2024, 11:25 am
#PROJECT
PR:PROJECT_TITLE                 	Deep phenotyping of Post-infectious Myalgic Encephalomyelitis/Chronic Fatigue
PR:PROJECT_TITLE                 	Syndrome
PR:PROJECT_SUMMARY               	Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a disabling
PR:PROJECT_SUMMARY               	disorder that may occur following an infection, yet the clinical phenotype is
PR:PROJECT_SUMMARY               	poorly defined, the pathophysiology is unknown, and no disease-modifying
PR:PROJECT_SUMMARY               	treatments are available. We used rigorous criteria to recruit a cohort of
PR:PROJECT_SUMMARY               	post-infectious ME/CFS (PI-ME/CFS) volunteers (n=17) with matched healthy
PR:PROJECT_SUMMARY               	controls (n=21) to conduct deep clinical and biological phenotyping using an
PR:PROJECT_SUMMARY               	extensive battery of tests. Among the many physical and cognitive complaints,
PR:PROJECT_SUMMARY               	one defining feature of PI-ME/CFS was an alteration of effort preference, rather
PR:PROJECT_SUMMARY               	than physical or central fatigue, due to dysfunction of integrative brain
PR:PROJECT_SUMMARY               	regions potentially associated with central catechol pathway dysregulation, with
PR:PROJECT_SUMMARY               	consequences on autonomic functioning and physical deconditioning. Immune
PR:PROJECT_SUMMARY               	profiling suggested chronic antigenic stimulation with increase in naïve and
PR:PROJECT_SUMMARY               	decrease in switched memory B-cells. Alterations in gene expression profiles of
PR:PROJECT_SUMMARY               	peripheral blood mononuclear cells and metabolic pathways were consistent with
PR:PROJECT_SUMMARY               	cellular phenotypic studies and demonstrated differences according to sex.
PR:PROJECT_SUMMARY               	Together these clinical abnormalities and biomarker differences provide unique
PR:PROJECT_SUMMARY               	insight into the underlying pathophysiology of PI-ME/CFS, which may guide future
PR:PROJECT_SUMMARY               	intervention.
PR:INSTITUTE                     	National Institutes of Health
PR:DEPARTMENT                    	NINDS
PR:LABORATORY                    	National Institute of Neurological Disorders and Stroke
PR:LAST_NAME                     	Nath
PR:FIRST_NAME                    	Avindra
PR:ADDRESS                       	10 Center Drive, Bethesda, MD 20892
PR:EMAIL                         	Avindra.nath@nih.gov
PR:PHONE                         	301.496.1561
#STUDY
ST:STUDY_TITLE                   	Post-Infectious MECFS at the NIH
ST:STUDY_SUMMARY                 	In 2016, the National Institutes of Health (NIH) launched an initiative to study
ST:STUDY_SUMMARY                 	ME/CFS. The NIH Division of Intramural Research developed an exploratory
ST:STUDY_SUMMARY                 	clinical research program to perform deep phenotyping on a cohort of PI-ME/CFS
ST:STUDY_SUMMARY                 	volunteers and healthy volunteers (HV) as controls. Prior to the SARS-CoV-2
ST:STUDY_SUMMARY                 	pandemic, this study recruited a cohort of well-characterized PI-ME/CFS patients
ST:STUDY_SUMMARY                 	and applied modern broad and deep scientific measures to describe their
ST:STUDY_SUMMARY                 	biophenotype compared to HVs. The aim was to identify relevant group differences
ST:STUDY_SUMMARY                 	that could generate new hypotheses about the pathogenesis of PI-ME/CFS and
ST:STUDY_SUMMARY                 	provide direction for future research. Over 75 scientists and clinicians across
ST:STUDY_SUMMARY                 	15 of the 27 institutes that comprise the NIH contributed to this
ST:STUDY_SUMMARY                 	multi-disciplinary work. Importantly, we developed rigorous inclusion criteria
ST:STUDY_SUMMARY                 	which comprised detailed medical and psychological evaluations to minimize
ST:STUDY_SUMMARY                 	diagnostic misattribution. A relatively homogenous population was recruited in
ST:STUDY_SUMMARY                 	whom symptoms were initiated after infection. This study aimed to investigate
ST:STUDY_SUMMARY                 	the underlying pathophysiological mechanisms. The volunteers underwent a
ST:STUDY_SUMMARY                 	multi-dimensional evaluation that included a wide range of physiological
ST:STUDY_SUMMARY                 	measures, physical and cognitive performance testing, and biochemical,
ST:STUDY_SUMMARY                 	microbiological, and immunological assays of blood, cerebrospinal fluid, muscle,
ST:STUDY_SUMMARY                 	and stool. Novel measurement techniques were developed to query issues such as
ST:STUDY_SUMMARY                 	physical capacity, effort preference, and deconditioning that may confound the
ST:STUDY_SUMMARY                 	results. Multi-omic measurements of gene expression, proteins, metabolites, and
ST:STUDY_SUMMARY                 	lipids were performed in parallel on collected samples.
ST:INSTITUTE                     	National Institutes of Health
ST:LAST_NAME                     	Nath
ST:FIRST_NAME                    	Avindra
ST:ADDRESS                       	10 Center Drive, Bethesda, MD 20892
ST:EMAIL                         	Avindra.nath@nih.gov
ST:PHONE                         	3014961561
#SUBJECT
SU:SUBJECT_TYPE                  	Human
SU:SUBJECT_SPECIES               	Homo sapiens
SU:TAXONOMY_ID                   	9606
#SUBJECT_SAMPLE_FACTORS:         	SUBJECT(optional)[tab]SAMPLE[tab]FACTORS(NAME:VALUE pairs separated by |)[tab]Raw file names and additional sample data
SUBJECT_SAMPLE_FACTORS           	-	NINR-00417	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:M	SAMPLE_AMOUNT=1.0; AGE=41; BMI=24; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00418	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:F	SAMPLE_AMOUNT=1.0; AGE=34; BMI=23.6; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00419	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:M	SAMPLE_AMOUNT=1.0; AGE=55; BMI=24.2; ETHNICITY=Non-hispanic; RACE=Multi_racial
SUBJECT_SAMPLE_FACTORS           	-	NINR-00420	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:F	SAMPLE_AMOUNT=1.0; AGE=54; BMI=26.3; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00421	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:F	SAMPLE_AMOUNT=1.0; AGE=53; BMI=30.6; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00422	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:M	SAMPLE_AMOUNT=1.0; AGE=24; BMI=22.3; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00423	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:F	SAMPLE_AMOUNT=1.0; AGE=19; BMI=27.9; ETHNICITY=Non-hispanic; RACE=Multi_racial
SUBJECT_SAMPLE_FACTORS           	-	NINR-00424	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:F	SAMPLE_AMOUNT=1.0; AGE=54; BMI=22.4; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00425	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:M	SAMPLE_AMOUNT=1.0; AGE=21; BMI=22.9; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00426	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:M	SAMPLE_AMOUNT=1.0; AGE=56; BMI=22.8; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00427	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:M	SAMPLE_AMOUNT=1.0; AGE=35; BMI=24.4; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00428	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:F	SAMPLE_AMOUNT=0.5; AGE=47; BMI=24.7; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00429	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:F	SAMPLE_AMOUNT=0.85; AGE=56; BMI=26; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00430	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:M	SAMPLE_AMOUNT=0.8; AGE=46; BMI=32.5; ETHNICITY=Hispanic; RACE=Multi_racial
SUBJECT_SAMPLE_FACTORS           	-	NINR-00431	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:F	SAMPLE_AMOUNT=1.0; AGE=55; BMI=34.9; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00432	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:F	SAMPLE_AMOUNT=1.0; AGE=53; BMI=26.2; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00433	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:F	SAMPLE_AMOUNT=0.5; AGE=24; BMI=22.5; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00434	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:M	SAMPLE_AMOUNT=1.0; AGE=39; BMI=28.7; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00435	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:M	SAMPLE_AMOUNT=0.7; AGE=36; BMI=24.1; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00436	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:M	SAMPLE_AMOUNT=0.5; AGE=26; BMI=25; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00437	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:F	SAMPLE_AMOUNT=1.0; AGE=59; BMI=25.9; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00438	Sample source:CSF | MECFS_STATUS:MECFS | SEX:F	SAMPLE_AMOUNT=1.0; AGE=22; BMI=19.4; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00439	Sample source:CSF | MECFS_STATUS:MECFS | SEX:M	SAMPLE_AMOUNT=1.0; AGE=48; BMI=25.7; ETHNICITY=Non-hispanic; RACE=Asian
SUBJECT_SAMPLE_FACTORS           	-	NINR-00440	Sample source:CSF | MECFS_STATUS:MECFS | SEX:F	SAMPLE_AMOUNT=1.0; AGE=36; BMI=37.5; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00441	Sample source:CSF | MECFS_STATUS:MECFS | SEX:M	SAMPLE_AMOUNT=1.0; AGE=45; BMI=28.4; ETHNICITY=Hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00442	Sample source:CSF | MECFS_STATUS:MECFS | SEX:F	SAMPLE_AMOUNT=1.0; AGE=22; BMI=19.4; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00443	Sample source:CSF | MECFS_STATUS:MECFS | SEX:M	SAMPLE_AMOUNT=1.0; AGE=52; BMI=33.4; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00444	Sample source:CSF | MECFS_STATUS:MECFS | SEX:F	SAMPLE_AMOUNT=1.0; AGE=60; BMI=28.7; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00445	Sample source:CSF | MECFS_STATUS:MECFS | SEX:M	SAMPLE_AMOUNT=0.75; AGE=59; BMI=24.9; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00446	Sample source:CSF | MECFS_STATUS:MECFS | SEX:F	SAMPLE_AMOUNT=1.0; AGE=24; BMI=26.8; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00447	Sample source:CSF | MECFS_STATUS:MECFS | SEX:F	SAMPLE_AMOUNT=1.0; AGE=43; BMI=20.2; ETHNICITY=Non-hispanic; RACE=Asian
SUBJECT_SAMPLE_FACTORS           	-	NINR-00448	Sample source:CSF | MECFS_STATUS:MECFS | SEX:F	SAMPLE_AMOUNT=0.7; AGE=19; BMI=22; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00449	Sample source:CSF | MECFS_STATUS:MECFS | SEX:M	SAMPLE_AMOUNT=1.0; AGE=36; BMI=31.8; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00450	Sample source:CSF | MECFS_STATUS:MECFS | SEX:F	SAMPLE_AMOUNT=1.0; AGE=26; BMI=19.6; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00451	Sample source:CSF | MECFS_STATUS:MECFS | SEX:M	SAMPLE_AMOUNT=0.5; AGE=43; BMI=30.5; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00452	Sample source:CSF | MECFS_STATUS:MECFS | SEX:F	SAMPLE_AMOUNT=0.3; AGE=60; BMI=26; ETHNICITY=Hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00453	Sample source:CSF | MECFS_STATUS:MECFS | SEX:F	SAMPLE_AMOUNT=1.0; AGE=19; BMI=22.1; ETHNICITY=Non-hispanic; RACE=White
SUBJECT_SAMPLE_FACTORS           	-	NINR-00454	Sample source:CSF | MECFS_STATUS:MECFS | SEX:M	SAMPLE_AMOUNT=1.0; AGE=29; BMI=24.6; ETHNICITY=Non-hispanic; RACE=White
#COLLECTION
CO:COLLECTION_SUMMARY            	Metabolomics on cerebrospinal fluid samples was performed using Metabolon’s
CO:COLLECTION_SUMMARY            	Ultrahigh Performance Liquid Chromatography-Tandem Mass Spectroscopy
CO:COLLECTION_SUMMARY            	(UPLC-MS/MS). Samples were prepared using the automated MicroLab STAR® system
CO:COLLECTION_SUMMARY            	from Hamilton Company. Several recovery standards were added prior to the first
CO:COLLECTION_SUMMARY            	step in the extraction process for QC purposes. To remove protein, dissociate
CO:COLLECTION_SUMMARY            	small molecules were bound to protein or trapped in the precipitated protein
CO:COLLECTION_SUMMARY            	matrix, and to recover chemically diverse metabolites, proteins were
CO:COLLECTION_SUMMARY            	precipitated with methanol under vigorous shaking for two minutes (Glen Mills
CO:COLLECTION_SUMMARY            	GenoGrinder 2000) followed by centrifugation. The resulting extract was divided
CO:COLLECTION_SUMMARY            	into five fractions: two for analysis by two separate reverse phase
CO:COLLECTION_SUMMARY            	(RP)/UPLC-MS/MS methods with positive ion mode electrospray ionization (ESI),
CO:COLLECTION_SUMMARY            	one for analysis by RP/UPLC-MS/MS with negative ion mode ESI, one for analysis
CO:COLLECTION_SUMMARY            	by HILIC/UPLC-MS/MS with negative ion mode ESI, and one sample was reserved for
CO:COLLECTION_SUMMARY            	backup. Samples were placed briefly on a TurboVap® (Zymark) to remove the
CO:COLLECTION_SUMMARY            	organic solvent. The sample extracts were stored overnight under nitrogen before
CO:COLLECTION_SUMMARY            	preparation for analysis.
CO:SAMPLE_TYPE                   	Cerebrospinal fluid
#TREATMENT
TR:TREATMENT_SUMMARY             	No treatment
#SAMPLEPREP
SP:SAMPLEPREP_SUMMARY            	All methods utilized a Waters ACQUITY ultra-performance liquid chromatography
SP:SAMPLEPREP_SUMMARY            	(UPLC) and a Thermo Scientific Q-Exactive high resolution/accurate mass
SP:SAMPLEPREP_SUMMARY            	spectrometer interfaced with a heated electrospray ionization (HESI-II) source
SP:SAMPLEPREP_SUMMARY            	and Orbitrap mass analyzer operated at 35,000 mass resolution. The sample
SP:SAMPLEPREP_SUMMARY            	extract was dried then reconstituted in solvents compatible to each of the four
SP:SAMPLEPREP_SUMMARY            	methods. Each reconstitution solvent contained a series of standards at fixed
SP:SAMPLEPREP_SUMMARY            	concentrations to ensure injection and chromatographic consistency. One aliquot
SP:SAMPLEPREP_SUMMARY            	was analyzed using acidic positive ion conditions, chromatographically optimized
SP:SAMPLEPREP_SUMMARY            	for more hydrophilic compounds. In this method, the extract was gradient eluted
SP:SAMPLEPREP_SUMMARY            	from a C18 column (Waters UPLC BEH C18-2.1x100 mm, 1.7 µm) using water and
SP:SAMPLEPREP_SUMMARY            	methanol, containing 0.05% perfluoropentanoic acid (PFPA) and 0.1% formic acid
SP:SAMPLEPREP_SUMMARY            	(FA). Another aliquot was also analyzed using acidic positive ion conditions;
SP:SAMPLEPREP_SUMMARY            	however, it was chromatographically optimized for more hydrophobic compounds. In
SP:SAMPLEPREP_SUMMARY            	this method, the extract was gradient eluted from the same afore-mentioned C18
SP:SAMPLEPREP_SUMMARY            	column using methanol, acetonitrile, water, 0.05% PFPA and 0.1% FA and was
SP:SAMPLEPREP_SUMMARY            	operated at an overall higher organic content. Another aliquot was analyzed
SP:SAMPLEPREP_SUMMARY            	using basic negative ion optimized conditions using a separate dedicated C18
SP:SAMPLEPREP_SUMMARY            	column. The basic extracts were gradient eluted from the column using methanol
SP:SAMPLEPREP_SUMMARY            	and water, however, with 6.5mM Ammonium Bicarbonate at pH 8. The fourth aliquot
SP:SAMPLEPREP_SUMMARY            	was analyzed via negative ionization following elution from a HILIC column
SP:SAMPLEPREP_SUMMARY            	(Waters UPLC BEH Amide 2.1x150 mm, 1.7 µm) using a gradient consisting of water
SP:SAMPLEPREP_SUMMARY            	and acetonitrile with 10mM Ammonium Formate, pH 10.8. The MS analysis alternated
SP:SAMPLEPREP_SUMMARY            	between MS and data-dependent MSn scans using dynamic exclusion. The scan range
SP:SAMPLEPREP_SUMMARY            	varied slightly between methods but covered 70-1000 m/z.
#CHROMATOGRAPHY
CH:CHROMATOGRAPHY_SUMMARY        	Low pH polar (LC/MS Pos early)
CH:CHROMATOGRAPHY_TYPE           	Reversed phase
CH:INSTRUMENT_NAME               	Waters Acquity
CH:COLUMN_NAME                   	Waters ACQUITY UPLC BEH C18 (100 x 2.1mm,1.7um)
CH:SOLVENT_A                     	100% water; 0.1% formic acid; 0.05% PFPA, pH ~2.5
CH:SOLVENT_B                     	100% methanol; 0.1% formic acid; 0.05% PFPA, pH ~2.5
CH:FLOW_GRADIENT                 	Linear gradient from 5% B to 80% B over 3.35 minutes
CH:FLOW_RATE                     	0.35 mL/min
CH:COLUMN_TEMPERATURE            	40-50
#ANALYSIS
AN:ANALYSIS_TYPE                 	MS
#MS
MS:INSTRUMENT_NAME               	Thermo Q Exactive Orbitrap
MS:INSTRUMENT_TYPE               	Orbitrap
MS:MS_TYPE                       	Other
MS:ION_MODE                      	POSITIVE
MS:MS_COMMENTS                   	Metabolon (LC/MS Pos early)
#MS_METABOLITE_DATA
MS_METABOLITE_DATA:UNITS	Peak area
MS_METABOLITE_DATA_START
Samples	NINR-00417	NINR-00418	NINR-00419	NINR-00420	NINR-00421	NINR-00422	NINR-00423	NINR-00424	NINR-00425	NINR-00426	NINR-00427	NINR-00428	NINR-00429	NINR-00430	NINR-00431	NINR-00432	NINR-00433	NINR-00434	NINR-00435	NINR-00436	NINR-00437	NINR-00438	NINR-00439	NINR-00440	NINR-00441	NINR-00442	NINR-00443	NINR-00444	NINR-00445	NINR-00446	NINR-00447	NINR-00448	NINR-00449	NINR-00450	NINR-00451	NINR-00452	NINR-00453	NINR-00454
Factors	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:M	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:F	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:M	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:F	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:F	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:M	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:F	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:F	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:M	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:M	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:M	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:F	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:F	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:M	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:F	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:F	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:F	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:M	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:M	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:M	Sample source:CSF | MECFS_STATUS:Healthy volunteer | SEX:F	Sample source:CSF | MECFS_STATUS:MECFS | SEX:F	Sample source:CSF | MECFS_STATUS:MECFS | SEX:M	Sample source:CSF | MECFS_STATUS:MECFS | SEX:F	Sample source:CSF | MECFS_STATUS:MECFS | SEX:M	Sample source:CSF | MECFS_STATUS:MECFS | SEX:F	Sample source:CSF | MECFS_STATUS:MECFS | SEX:M	Sample source:CSF | MECFS_STATUS:MECFS | SEX:F	Sample source:CSF | MECFS_STATUS:MECFS | SEX:M	Sample source:CSF | MECFS_STATUS:MECFS | SEX:F	Sample source:CSF | MECFS_STATUS:MECFS | SEX:F	Sample source:CSF | MECFS_STATUS:MECFS | SEX:F	Sample source:CSF | MECFS_STATUS:MECFS | SEX:M	Sample source:CSF | MECFS_STATUS:MECFS | SEX:F	Sample source:CSF | MECFS_STATUS:MECFS | SEX:M	Sample source:CSF | MECFS_STATUS:MECFS | SEX:F	Sample source:CSF | MECFS_STATUS:MECFS | SEX:F	Sample source:CSF | MECFS_STATUS:MECFS | SEX:M
S-1-pyrroline-5-carboxylate	3158068	10270365	3514803	2418965	2697785	2766399	2159095	2041246	3924318	3007623	4392288	2840434	3444757	4140682	4307660	2702993	1044876	3077490	4635111	3178847	4481145	3149375	2049559	2083643	2995465	1879899	3941767	2214747	3835421	2496929	1593840	2468043	2588666	1419637	2076937	3004254	2336290	2091334
homocarnosine	13148453	52089637	7244541	6207741	8265808	11236053	50326829	11109816	35486685	4044936	15535109	15669652	4887445	16873548	14088158	8887685	33243318	9753493	23338880	13560853	9136837	19360062	7198938	7524110	15174035	32524221	34767058	4752851	1072222	28103137	17022445	16839411	18682370	16705807	14537954	2160098	42294560	9466894
spermidine	417146	416272	495516	428933	420267	483221	203704	271857	318379	380352	655384	521633	353316	302549	228217	577006	241398	486260	525659	540045	587710	660742	193925	471024	323923	290004	469161	316373	757381	278507	233175	410725	257785	204831	344045	384243	64761	140348
1-methylnicotinamide	411702	841911	300421	347921	1190524	700202	533924	953979	614562	665119	390538	497074	711144	526432	1253996	363174	290259	619475	370255	344815	389997	237883	276501	549669	546304	801694	2238906	460834	399939	902914	333995	580908	1049662	294413	732382	284580	318082	634141
kynurenate		81482	70010	50519	119880	42430	52543	18544	91580	59579	46787	117110	71939	109401	82593	101676	86656				73458			54068			141190	108420	51639	83169			68909	50523	45785			
5,6-dihydrothymine	3622743	2579770	3579495	2773628	2602378	2827843	2729576	2024054	3227033	2230981	2350453	4009074	2527280	2549886	2242753	2769301	1698679	2254034	4148107	2798765	2664432	2543671	2357840	1707316	2490488	1603413	1542952	1916957	3745280	2345105	3489063	2347681	2238233	1777087	2593591	2754835	2105330	1963645
hypoxanthine	14376804	20045219	11121193	21896062	15115555	11688516	16043164	20079003	18524875	19275996	15452483	20173831	22343735	24264854	21608139	19154776	16514858	30741693	14996878	12565892	21731522	19043529	11384723	13504572	24028252	15358756	23140626	14119820	12830454	22747317	15925450	15597058	12794923	10163094	11915220	16082911	20127224	19057847
N6,N6,N6-trimethyllysine	17314695	19949932	18880508	11587823	12120920	13790287	10719178	20183233	17529116	15840736	12603307	13360732	12553521	15903494	13074448	10616172	6465176	13530364	15700614	18216563	12384045	14506392	13108731	9194727	12427812	12416343	14508332	8204184	17290080	13863973	8159077	9207117	9051395	10373449	8152683	8782718	6856066	7899130
N-acetylputrescine	3737006	5071677	3867035	2662075	2871240	3421493	2272029	2346896	3433595	3447505	4459535	3558201	3022583	3533926	2837513	3094808	2213292	2893924	3481847	2421231	2815594	2791296	2696676	2401609	2603687	2479132	3438411	1880629	3681371	3510087	1905969	2055319	2086452	1918246	2711463	3263294	1441248	1356016
5-methylthioadenosine (MTA)	2740813	5162520	2345208	2441068	1757949	2170689	2266536	2131277	3112378	2510687	3103098	2131061	3687621	4281794	2773037	2262463	2584368	3365201	2606671	2694023	2639873	2392109	1597291	2200156	2421862	2523854	3197368	1130644	1847711	2726910	1172300	2461877	2051147	1754696	1940265	1768372	1896368	1102932
N6-methyladenosine	130159	133520	74720	25963	72102		27701	70475	61020	44675	69620	100060	67989	59378	46338	35790	100054	29636		85260	79935	67662			34099	47057	67923	55914	38682	76987		33624	55111	39152	40074	76431	23925	
arginine	414770468	614888204	445066513	351521539	414082017	384902828	346166470	332991139	464361933	383548043	360571068	407051475	439611617	397238360	298980847	304784774	264887957	400231419	514451053	464547544	448259031	488912700	358574759	249860308	346499589	361049977	440492510	257982135	456151813	450992774	316523725	314770570	351442646	305647641	269098449	396801009	263637327	261081468
argininosuccinate	1273772	1269450	1245601	891856	1260390	1059398	1135911	838562	1575270	1124030	736400	1090391	1386092	1253811	1011638	725504	774014	1558233	1286998	1228822	926740	1195318	885774	660593	586235	1090886	1134087	528589	1159530	1089322	773430	832732	813101	739661	656388	891348	389649	616056
ascorbate (Vitamin C)	29894637	125303324	37766109	75321281	88288175	38449549	71186748	79615921	108508499	60113819	67629991	54484371	76526207	56576123	32321796	5873111	57187786	73177427	77089447	66819498	61736793	47779311	77497544	56596505	54806495	99045410	58958712	60413303	52967485	2104752	44319635	54507880	43007980	18235068	30406140	47366332	66722400	66133485
aspartate	1019409	1079772	582676	507345	444359	468089	496613	650204	815921	552149	970278	523159	626648	571739	837789	708139	435261	650706	621217	895358	548343	677104	717087	474764	602267	656255	703358	549726	737294	635146	544254	560148	457790	571055	502408	699047	523672	528844
beta-alanine	3007792		2195257	4866905	3099793	1635449	2817415	4352024	546439	4048347	4498594	1790995	5016081	3551257	4849003	7973593	2262810	4873079	2782427	5061770	4682740	4208552	6220892	2839905	4207100	5726835	4269726	2106166	1181967	2068463	2480886	3889292	1845576	2085361	1953806	3843364	3206119	3763096
choline phosphate	15883120	22637314	14275109	7736624	10561808	13021310	13014167	15900898	16646136	13989245	17404293	12748353	10931720	9826961	7604510	11687705	18623688	16061472	18738803	22837882	12400155	15508886	16442357	7459466	18598854	11049937	6954028	8752008	13139510	14186666	9150776	6487535	14881061	9429364	8755425	9382737	8818347	7544048
creatinine	1210853129	1148275211	1241656813	1024178687	1136063326	1015606944	909755190	1069632845	1333385785	1220163437	969641873	1057753947	1071043712	1201177463	1045783455	1143290710	774370554	1270042824	989418463	1114866113	1137755043	980752486	918675484	844986267	931189269	875187534	1309210422	985774410	1278122568	1167808956	749974490	851891071	973469778	815450525	881816130	924408160	621812803	725485999
cysteinylglycine	615807	692328	988607	417800	999393	555468	681259	522562	837844	463874	511045	742841	580681	809056	652141	762789	837589	838714	871177	552900	643455	622412	1092536	848917	578560	1239707	710883	785571	727921	753017	643194	383391	609651	717499	755897	584050	493134	336857
cystathionine	69673	382281	272944	155056	104326	57769	102115	172115	117476	50000	125696	184382	28891	187237	43269	62327						131220	55350		75227		138840	57953	22437	264077	167588	116273		63578		100074	264873	
glycine	6162235	14312615	8054264	5893446	4702180	6599294	6633563	4734225	6715090	6858488	6993195	7128548	6792113	5881829	3703831	5799644	4741531	5876165	6003213	7881810	11882376	9706015	5144087	5410108	4165105	5954082	6639418	5829492	8595241	4773837	3791991	7916502	5626957	4921578	4980701	6417378	3671308	3902061
histidine	220887991	328296843	215400324	179649421	182050681	205228905	204060718	152912034	236144933	155267756	192173918	197437838	156750850	201904037	164150997	177275858	159425802	201039350	382880724	234964453	184699422	232546371	171631397	169994636	156300180	259532743	182139811	143393567	214844939	203254034	143625976	152175216	151771209	149392475	152850465	167303952	162638438	128297653
hypotaurine		125845	41742	71576		54722		25206	80529		52768		99618								59029	87257		52934	43048	106204	33570	142845				82230	38445			170817	30025	
isoleucine	185470685	233342626	243125875	127866375	167036611	152885432	137055206	84646437	183841855	196286283	138398228	133915953	124569098	116004934	225194995	134573384	100030108	138471802	272973693	179440546	211974995	173914887	180798085	139882981	124271927	202392617	173350403	135640989	195143853	124939914	97564803	124414731	97272064	83512193	115312680	112106010	113331991	93166865
citrulline	32924347	53543538	33096113	30295112	23160044	35297174	25353947	33065876	26625173	60853942	36836477	34261973	38214581	30105149	28057760	21575722	22333503	40968274	42293868	52237550	45896852	36953479	29380897	21418536	37176658	42683651	30044719	19337186	35128597	25982866	23217800	30355183	29208507	17367017	23951880	36890959	27078991	27798515
leucine	227764703	325254016	268625158	157008483	251346201	208586334	170414085	107932691	232971694	234836919	185677277	181726246	158401771	140143615	259509403	176864395	133901029	175568761	372005938	209991156	280015688	226181988	241608017	202370749	172810908	237231201	202181643	175434124	302466660	177262035	137209691	145915757	140999921	112773858	171556294	144350109	108012493	120937070
lysine	292548504	424707793	307995950	194853381	322469835	281277633	222201104	194300981	251996640	277171978	255326451	262197659	207991336	209236485	280714996	232754211	138278274	249698808	265093620	249682102	234153089	277798694	309918165	223482599	226273151	238555460	238869187	184919646	316717075	272232571	167554036	188048025	223054469	195637554	192555991	218860063	155986293	155690586
ornithine	65802432	72862937	45229482	41749817	27605013	35768274	9520191	26578541	38516027	48827550	39120672	35383530	36575454	45844160	46316964	40295994	25317175	53086376	49972944	42066892	71302403	60341357	23999309	33485684	33690019	29471983	47601211	45955411	60005128	53591463	27943605	30192126	26540609	30042091	26164822	44744456	24126527	22350013
phenylalanine	261598078	302948053	243111865	155637398	220374598	181627192	193840492	133465481	214544094	188173870	199596119	208597181	181034066	191238408	194915977	181830064	149930619	182216463	318100366	223637842	247063998	238799467	216022374	170959068	162312043	203328017	196917968	171137124	270242149	196563194	136788755	160777902	149807821	122853121	134989876	182157801	185810297	111399607
phosphate	2712824	2627439	2459725	2064489	2032353	1939752	1944938	2801915	2248354	3227097	2559003	2020346	2477445	2173199	2591432	1952101	2129564	2684218	2989503	3079043	4502883	2395921	3171454	1924714	4123976	2946726	2378567	1606166	1978947	1741762	2288004	2237907	2716151	2328105	1981717	2586382	2144101	2294929
proline	15858100	112759743	28548873	14333327	31838977	12465711	9988512	14204256	16658799	27391580	23794609	9829843	25381585	21959729	32609707	14965527	7138043	13730104	33918026	15151886	37464637	23635684	17047932	21845642	14448043	11807744	29122564	22160233	21383818	12254696	8472121	12913396	14759716	6386363	16308492	16402937	9226284	9594717
pyridoxal	1266252	1602227	1118613	1367256	1252924	1338845	1773655	1829428	1318546	1385949	1026530	1459250	1650257	1217581	1263527	1354925	1461348	1786421	1105208	1047242	1287783	1389810	1158918	1198540	1198500	999389	2515517	2136313	1092315	1864950	973260	1278028	1525312	968946	1142566	1148598	938778	1478795
serine	99845932	182301737	101781678	90092353	105505914	107974971	101961459	105143811	103047285	81870862	78446343	116506235	82012861	130533293	97167352	92194260	89914910	115794086	97828820	90901179	118399389	124806135	97080119	72248130	87604556	103531974	102343052	82302602	109059472	111324720	97734728	105827129	78849749	84864633	63999361	68153203	85334514	67573523
urea	462531338	328347663	349130118	192047064	232747502	393867216	169219410	253617166	283422882	444792302	316333586	327531260	315937847	293578893	465119579	394298545	200721493	411447351	493977889	365444003	381727455	240683567	304862744	216020625	385383381	224861049	359410984	274872587	350181985	450257961	206397509	208920082	255576999	208370864	221860408	236946017	98723032	153436579
uridine	9610468	15298527	7691946	8921979	9798913	9858915	7585528	11376970	5818313	8043129	9408115	9417074	9677994	9110988	10599023	5864465	6038420	9533176	13529877	11636286	7273813	7459665	8057551	7929642	10612624	9434574	7334062	7245593	10394703	9264511	7980421	8242935	5086703	7757556	5905794	7086136	4947099	5267605
glutamate	3121934	8066893	2559699	2910520	2279079	3154712	1943831	2707215	2627731	3413857	4006264	2455826	2941874	3089204	2455289	2626935	2087104	2893972	2435316	3869107	3864994	3538826	2716599	1773489	3139973	3560292	3404068	2033222	3442998	2514388	2659691	2921135	1623264	2163079	1695281	3362006	2885114	2749340
glutamine	2624540822	3334271820	2798839711	2035364073	2143202544	2293324128	2065177493	1819459238	2464806774	2235530773	2454493241	2317410841	2151901863	2657799354	1854884207	2047214383	1722204560	2409002818	2986577950	2874687452	2342381095	2456787359	2310089654	1646215018	2086132149	2244043381	2057215218	1783368495	2631893952	2097210385	1831898220	1887792543	1818497235	1603403315	1977243210	1995532203	1841470262	1727789384
threonine	186804353	492387391	224667711	148885360	180267355	182240728	178009470	137305940	224732480	229030827	195450309	218205425	110393317	225676526	160181955	171359528	94947275	206925881	309589808	225753602	180531984	211850159	161236009	120654410	147445935	239767949	173379559	152166491	219925837	158163606	164369530	123607840	114212270	139593043	105005889	146876136	184355441	123279111
valine	174878108	373751259	286091973	135086321	228265938	190746945	129047325	99828343	182778291	226695420	184084033	157786861	179820193	114250976	251101522	132791492	100048276	151306010	369135388	221121075	253932458	198561148	174522873	138013405	150602959	230879388	204543764	146111959	238348702	120511804	100103706	111604257	104019375	71747111	106582741	115973318	78701837	117531296
betaine	110095252	139947399	125167187	101687091	86902238	93082989	83120539	98604319	96719843	98258901	108221226	88389796	112227617	113089401	102334236	89578771	79984935	92693035	101436674	94808027	87396097	85940652	106888676	59819717	82095009	74800833	122914213	91539151	110180661	88242346	62177931	59346632	103202466	53278442	80391196	80763149	40523414	48392530
cysteine	1059230	1230881	1135841	1375666	1239227	778286	1036016	1144081	1734640	1371030	1092804	854548	1248050	1635498	1283427	1215782	896097	1969702	742558	1484991	1514895	1337979	841910	779277	1002089	1351019	1533382	1269489	1211261	929430	669696	1151221	885810	1095105	803896	1340298	904669	874708
dimethylglycine	1528274	3604357	3200592	1735880	4813301	2748642	1706807	2274111	2557521	2920899	2413209	2606940	2329707	3071605	2140846	1494388	1183672	1547929	4952019	2153332	3585933	1764932	2642274	2697286	1836066	1302331	1780497	1907879	5045364	1880262	828263	2099957	2040855	651230	1076047	1990556	1006781	1470102
alanine	146441015	287829685	217040365	143458822	223497945	139285009	141161631	113224842	207681168	226420224	160939470	150104815	172065927	155501299	174812271	152708761	97083022	174336578	221157315	152251442	261092554	211796109	196189328	135920981	171680954	196758208	168325082	153279421	217326941	147250986	141720912	155169900	104127391	118890176	148481661	185360348	89330104	107706574
tyrosine	43619725	120074150	54264175	41082999	62029048	41864089	54018092	28538687	63525829	50496559	53319770	40833461	47281110	55200390	58930389	46127907	30891457	47488607	84442200	64605765	67286285	58939817	48241000	35701996	44695148	50935546	73423853	39622884	59599110	44270492	36243132	34127565	38964596	24856138	29584219	42742854	25581778	25161191
caffeine	7386611	171830086	15773282	29236234	70034963			101234184		30982946	4671532	274376699	34118087	62715175	2994229	14548065	24919307	21750785		1643738	13123448	3038506	19638048	107603251	192625429	10282037	25975463		23445087	1385810	7018282	19420296	59975528		48502041	31228634	8424289	673791
adenine	1559653	2388605	1211438	1105545	850219	933015	983859	1031701	1361286	1071500	1409181	864942	1376929	1716764	1176886	1161563	1691780	1373860	1131687	1929729	1283419	1078628	689611	969228	1115565	1122771	1547502	728715	1122221	1402469	653457	1305934	1024988	1124219	1050973	1227265	999270	690445
asparagine	52944614	83737012	66225400	50473662	46920345	53536910	48954416	44461767	62628721	52912014	58334758	51405181	39155858	45852446	37516270	46817141	36468666	55462588	79160009	86419025	51887590	61519889	50394264	38841141	47022802	60333915	42374532	43582235	58398670	42030544	43875949	45038344	40585090	40320695	39598324	51295733	43576158	38232917
picolinate	322631	512164	424779	277037	247726	372109	276773	480324	749154	292524	463312	389160	390985	525045	265058	483565	273714	660397	638228	675752	226181	300887	130355		504674	208914	422196	212749	771421	258688	186532		214305	265509	207529		145311	
pipecolate	1687686	3155536	7750358	1198599	1623351	2822922	1914121	2474983	2116051	4299451	6041937	1106633	2629984	1407805	1036086	850596	914233	1094665	3902768	4571368	1144212	1213831	896653	971919	1069539	1803103	1521402	1532604	2558789	880640	1363708	2272610	1205774	690796	755626	2406045	932376	381072
3-ureidopropionate	992045	679514	558130	2062961	515984	1409756	2829046	989670	1610806	663011	1699110	557126	608032	2680349	1472273	646299	585819	1625134	822004	1327402	540844	825793	1220192	1088321	1169273	588728	3631832	1036823	812237	551236	487987	700104	1357914	548296	596406	1877749	913456	804147
guanosine	540721	756793	650707	590332	796334	696862	869164	463846	643933	553364	669221	848691	577157	699162	399433	724157	574836	649783	795094	627568	700635	695477	455660	827770	606047	621050	694440	428969	848385	614442	472218	483660	445014	412467	481943	511832	356044	418198
gamma-glutamyltyrosine	243770	255734	287323	173743	259165	167923	226637		269976	214269	187432	199765	181015	199054	210092	210084	100034	130119	419311	255531	280086	146847	265970	138544	139627	74261	218770	190969	287675	178941	202446	74962	167637	147322	124886	84925		
gamma-glutamylglutamine	23950083	39345702	27709408	20126078	17481501	16879894	24069132	16842962	18989342	20310231	22966220	21384988	21151634	29616680	19789432	15553762	17163533	28667796	29311230	34222646	23529934	21663060	27955126	16064140	26169127	31226923	19546475	14864114	21101620	20966152	22056528	16838164	18965094	15985280	19333819	24546397	20653784	23106724
N-acetylglucosaminylasparagine	134600	254929	277327	117539	206338	224742	246869	125198	247688	241657	149603	222903	147006	230808	72847	148209	148374	183872	143804	142733	252395	196674	120226	160465	134441	222129	233192	181458	198754	242886	78776	155377	113116	208687	130661	101645	160779	121823
acetoacetate	492195	633467	570819	352625	451692	602623	374322	611172	334271	491247	410098	380892	304886	427625	687618	419418	251842	692613	969955	507328	497343	421546		332182	708765	367339	630724	325292	674422	380843	319314	868419	479862	225256		387930	455045	
cys-gly, oxidized	3288237	4584941	5565284	2135362	4678676	2413390	2950987	2590383	3032501	2312207	2194414	3729506	2950702	2663730	4033165	1874163	3482124	3976264	7076245	4408714	2854431	3291571	5486839	3185053	4123287	6939435	2679222	2365103	2605636	3640980	3723556	1923944	3611962	3194673	3133414	1984592	2689194	3040464
gamma-glutamylhistidine	137635	179899	186877	246776	105874	141622	122481	205944	105321	232482	194067	119105	185564	211935	225622	84128	76711	160737	293020	196112	223247	154410	156185	110713	308328	201966	142218	90921	132896	101505	90842	186787	165554	101110	132991	307293	205848	252219
N1-methyladenosine	2182758	4483773	2413317	1342984	2740530	1698766	2080374	2640621	3531191	2347675	2406596	2843836	2911829	2655457	2031226	2256187	2033379	1852729	1902416	2226722	2731067	2342332	2074069	1977592	1812915	2064786	2971971	2101810	2259330	2844629	1584388	1571447	2482220	1525484	2008625	1728372	1263234	816357
choline	174937428	223072324	155037329	102640016	127497327	105700085	106789847	156438996	127437911	125419840	111192689	123684316	137732288	111060037	102706646	109384577	100512122	104870535	117150424	132024651	169647214	131800092	106789706	112205103	138954932	101883379	142076839	92191579	154897849	149108110	86770283	91273358	105025319	81690063	97883898	93467409	55650453	53779638
anthranilate	529467	153282	182122		187823	122443	121201		227195	212319	242829	253061	213876	223331	162460	392478	263034		439022	197833	103709	302780	222497	189647			289877	258470	322375	136224	273827	193817	218813		279872	150359	167288	
3-methoxytyrosine	195793	400873	210883	170505	192467	152235	275511	109914	169828	185476	121809	201437	220687	346461	176764	194454	170846	191713	192722	238334	239047	175539	170768	132390	138502	178168	126364	152458	210658	157391	133138	237817	134772	189409	94505	211386	183354	81217
carnitine	105204906	97733678	92606558	77892400	66280010	73291892	71232810	54346498	68662524	65903469	80133531	54689922	39774945	70976627	51314406	57318812	43779978	71032819	79407464	99753968	95663964	75092841	69549290	72308463	60864242	60676834	53243777	56965240	121606170	44340668	44737157	76723457	54470349	39306036	57758883	61206933	34194929	50740637
4-guanidinobutanoate	500713	86939	108824		80995		203557	146683	194284	83058	112322	152348	201542		104650	101588	123309	208779	163714					67936				94292	140465				106514	42374	68846			80748
2'-deoxycytidine	133955	230054	136463	110137	69144	80668	123500	49250	104088	123716	83529	78410	133897	109106	88640	68550		94655	114651	153142	150305	168430	81333	76588	117763	171956	99652	89134	97939	94850	63348	134026	78436		25853	66486	43063	89155
glycerol 3-phosphate	4462607	4663351	4264958	2387862	3301003	3412368	3116589	2607758	3578632	3935664	3418175	2668641	2666025	2513384	2684653	2206488	4696299	3497350	7391217	6029678	4009173	3430561	5535150	2207167	3938825	4039954	2202527	2157475	4028502	3218606	3347945	2033245	3095627	3793915	2943129	3165007	2769790	2757993
imidazole lactate	153699	422951	203995	167552	112485	150205	131822	243409	127951	176105	251134	201647	158422	148412	132111	162095	87765	132625	224420	204388	172039	214635	104668	118078	188649	133927	74349	126776	156172	134798		177310	142998	67956	111706	128809	114925	131547
kynurenine	710782	1038266	897520	517192	763001	586805	431723	362065	526149	715120	670972	972938	657459	644951	713343	666475	416880	490504	559456	725644	889654	355419	441388	512648	389330	490711	532392	484273	867049	487370	354131	782419	371207	265549	324694	380028	291104	283229
theobromine	9568166	16909094	66871041	37154259	24133213	262145	1129033	8087298	4721515	87299973	5748570	98178631	11181685	2962535	80872141	52115943	25576144	3944163		46755391	12465349	123013164	4491750	29339336	18711125	103757085	32167772	52931	10986125	11767369	7106220	31003632	5882022	9711250	36503970	4632253	80134189	16475811
5-methylcytidine	454027	628721	452338	414376	321594	404730	443690	542176	622210	444911	442178	577330	504828	544615	481772	433334	399987	585633	492338	581776	521854	468864	349616	335434	383216	514274	509250	345173	452389	501608	345894	426639	350354	329745	330425	338853	300965	289045
acetylcarnitine (C2)	33899575	29208941	38443942	22794834	29337058	24625308	20914786	16198663	22466594	27676319	22526825	17337636	12338473	20862668	21060793	16134519	8886878	18400847	27065272	23629005	27477769	19443075	30338240	23890114	25501330	19427356	17811353	17243091	45366596	15435531	13159265	20920286	18229826	10230468	15076190	17147814	9071866	11973688
homoarginine	10980031	10048183	5790275	4658190	6653864	6566274	6209439	5484814	8009461	5774858	6394951	9306698	6145267	6418149	4305523	5259205	3890694	4862038	9781507	7208728	4716373	5368677	9838041	6146388	8494544	11203605	4453215	3635846	10720133	10403662	6140192	3403032	5974713	5522772	4691922	6498975	5875782	5178304
indoleacetate	231277	172158	586473	110119	238325	184042		442991	214877	378212	194764	352381	220778	220600	226952	196220	284680	141941	139499	307450	143670	199917	132097	139769	210792	149440	380478	207893	252229	246851	112526	136821	244150	90253	187206	267492	55425	231733
isobutyrylcarnitine (C4)	2220375	2021020	1861439	1032906	1969767	2058515	1791764	874158	1711247	2173637	1408784	1165454	838609	1143822	1348991	1784088	694039	1498818	4246169	1824142	1266331	1221982	1681519	1199900	1676216	511160	1200372	989105	2582164	1108583	864764	1076025	1181329	607925	1028873	674144	385957	686731
trigonelline (N'-methylnicotinate)	5061414	8464741	3271186	7108041	3864071	2420989	1029370	9299372	1114204	4313806	1765381	7480700	4099984	1109051	661371	1213424	1515264	3060930	4223138	3522293	6606518	1110317	646009	4366049	6433219	623025	973278	902223	6512667	1529427	459810	946187	4168249	182705	2942679	4447716	237425	396778
glutamate, gamma-methyl ester	917357	884777	639615	496668	551747	458885		461632	702510	619846	650641	360178	509395	738144	488371	478065	351008	543543	728975	1108462	709269	635253	398148	324974	647126	504732	520011	325854	790173		413697	583927	346871	486528	463907	780156	533180	479283
gamma-glutamylvaline	625461	1031870	1153272	465346	848630	840796	494744	225078	660193	958546	548697	577910	457934	534521	1124174	482770	261980	418856	1742730	609751	718151	273068	1006613	516610	971936	604446	543588	590318	617206	381772	362232	428513	431808	308233	560370	175486	240746	702671
propionylcarnitine (C3)	2156661	2248321	2871187	1283910	2203828	2074989	1406113	1114927	1884027	1933036	1855868	1050391	822940	1854985	1678943	1165986	690929	1730215	2783848	1843469	2524532	1552332	2320769	1679940	1966271	1115005	1314488	1341551	3353353	991921	882918	1283441	1696488	752906	1305292	992974	603298	814379
pro-hydroxy-pro	1451752	1300191	2808575	350036	462065	1290890	746978	64711	1416162	690671	1434251	695273	1217663	305407	1199900	564712	306819	645291	1634407	657434	1310960	257460	1086597	483401	1466184	780616	382831	582394	1121919	456990	363716	1447216	610015	341813	539893	1201339	462972	1399791
1,3-propanediol	85601	109558	568291		137882	266163	122314	199552	107948	198920	91773	115063	205121	161433	240624	84064	138715	111093	304464		58177	140418	137504		3023292	257124	111967		91978	227538	116001		53351	36269	72786	60356	70120	
1-methyl-4-imidazoleacetate	162738		209281	234715	277673		472689	291237	273189	356124	181197	257732	532396	351937	372441	271607	361796	203898			386710		275070	153264	202910	195859	319162	373629	180198	286997	134150	213203	305927	184166	184774	205904	154755	172072
N-acetylglutamine	6273484	4623140	6030781	5961127	4993267	4246053	4769519	7959082	8807598	6143860	4427292	4989293	5405954	7206548	3539505	6322611	3892672	6884308	3965284	5715822	5994479	6770320	4252224	3978423	3256364	4133680	8542397	5711936	7057017	6923602	3431018	4121475	3968723	5764869	4465468	6465810	4113965	3990732
N-acetylasparagine	3964194	3387586	4158706	3454142	2652104	3071380	3351039	4047157	5467242	3801563	3538183	2924424	3200131	3933532	3055737	3054027	2212871	4312232	3362174	4741779	3388399	4493259	2756007	2827997	2351004	2985447	4219109	3333189	3956486	4300960	2335430	2847366	2464214	3294570	2288843	3322306	2052058	2216595
gamma-glutamyl-epsilon-lysine	194645.9	134938.5	119184.4	107222	192839.7	83471.5	142174.2	122638	266599.9	183702	133953	184763.1	114108	110174	182366	56831.5	34478.2	132141	439153.6	136550	118876	79186	207579.8	86307.3	207330	84302	99788	59062	111813.4	65062.5	50539.9	108131	86862.1	90001.8	57031	170281	84007	266820
N-acetylarginine	1417278	1711227	1691225	1185976	1565439	1065526	957778	1208249	1545990	1448744	911980	1118984	1424333	1135611	1000821	1080285	599938	1827135	1245099	1389944	1303545	1361896	597455	764455	846329	1078733	1850072	944999	1525765	1342663	668694	933219	935249	726966	875988	984902	432862	645513
stachydrine	31220307	145095014	7039593	37007492	48680772	91428894	74993025	12502374	15332174	61407379	30061815	25647187	105733879	81192719	143676773	748377	11600159	1562273	168012602	38172315	184463027	7712611	16442478	8152259	2519926	41711589	12481126	51972408	60031080	6962109	1854862	130090366	18854264	1158931	10991797	54732736	28939466	651017
hydroxybupropion																										4681051							638665					
nicotinamide riboside	1619275	1569938	1590675	1428722	2141753	1229321	1356464	1572202	2614768	1779269	1165504	1384482	1703439	1987571	1261672	1718174	1258214	1998493	1083265	1305953	1255656	1340544	1191942	1116010	915826	1476931	2405544	1267270	1650854	2247649	863493	1215740	1228442	1298112	925980	1600514	854038	743070
gamma-glutamylmethionine	140035	280445	153018	120136	116713	133000	147690	99174	155914	168237	175335	182349	94453	130829	97011	183915	90243	154404	185347	202397	203071	141639	135610	104257	134465	102602	104459	119222	209288	115022	72663	70241	137337	84139	113841	122468	84392	71292
gamma-glutamylthreonine	1584723	824394	2290318	764347	985599	1416044	1380022	733824	1416455	1287788	1011060	1536589	598843	1052026	806961	1215145	319851	705066	1865407	1021642	737434	782642	1247524	921509	1005733	832721	737765	1430135	1337906	1050065	1347956	695750	702520	649773	638201	936279	855127	983737
isovalerylcarnitine (C5)	232870	270998		134904	348202	487112		72807	445113	401219	270682			213381				181430	368179	337093	246021	218788	207923	266737	356425	118063	136126	203059	689787	107642		125791	370170		262274	39498		
7-methylxanthine	414089	722300	1333574	598218	914219	40373		176724	169797	724921	112429	2614442	204831		1948867	797896	620346			751989	171549	2459703	47003	434220	387532	881762	534652		477728	526363	131706	576444	216381	488775	1457439		522085	
N1-methylinosine	528707	452239	514126	386723	626292	484920	319471	532722	640296	570660	436226	755668	417205	488038	314130	682739	362915	517377	295205	398678	481889	418399	267908	540816	411454	186723	652919	387151	552460	647068	275688	298887	449890	255488	461157	355065	188776	157132
N2,N2-dimethylguanosine	699370	787497	693261	589277	714306	532534	474569	718125	747522	721357	702565	904095	741801	660261	747830	747897	453824	590615	483020	679269	874641	637581	414652	551081	564405	402505	845451	612308	791747	646239	410567	472362	570056	378993	531468	567963	284748	277885
N6-carbamoylthreonyladenosine	772534	581956	640274	649636	723524	547343	409008	787515	778806	861952	657885	643246	663910	610483	512612	780676	358907	805832	320570	730244	755235	669477	345544	528034	462038	409049	895046	594932	759127	618557	304620	524002	567527	491744	577269	575279	290296	290805
cysteine-glutathione disulfide	369353		177702	177471	208483	286184	449177	133462	74464	213352	127537	335604	157600	259409	318676	120085	197601	261858		361600	161672	158914	480141	386989	373990	592506	162511	185556	154729	281124	418252	96024	350436	238128	270341	204654	113451	382389
7-methylguanine	4849866	5146164	4491925	3398422	4401191	3167274	3304762	3649021	4382788	4018023	3674181	5263026	3855061	3971380	3775432	3841759	3114269	3599297	3994401	4192301	4390780	3775227	3809008	3127469	3180762	3549583	4055861	3566249	4584306	4129055	3313804	3296499	3389465	2822250	3542552	3136987	2659219	2292685
3-methylcytidine		226541	72423	56190			46358	117258	116043	146557	86387	41625	113679	119877	105554		85405	57967		33236	163702	148417			76041	132056	111389		49987	88743	33396	50168				52812		49360
gamma-glutamylisoleucine*	137918	172257	212444	112949	137829	121484	77622	75104	104693	199417	119416	114637	130204	89865	197316	65615		102881	237225	156057	137161	107137	167673	100226	196361	117464	119451	113757	135828			100089	64948	44186	81683	80007		89029
gamma-glutamyl-2-aminobutyrate	45887		49816	60755	30050	58322		79661		58383					73920	22908			32630		30653			19177	66764			40506	42647		55529		27730			44365		50173
4-hydroxybutyrate (GHB)	1922162	4132240	1463548	1278626	1308102	1581474	1549469	2745997	2324881	1031367	1630470	1901279	2646833	2869349	1393451	5798991	1082279	2426709	2137317	2117959	1771301	2126635	1117931	1392914	1802957	3679380	2449468	1795440	1541032	2214804	896189	904142	1876014	1247208	843017	2210046	673909	981260
malonylcarnitine	117076		100328	101804		72468	174238	45025	88775	100828	58236	57168	31324	47066	101753	133262	26904	82602	36595	83117	70481		78099	65706	64877		34036	122243	94732	34199	65396		97701		97798	68815		117531
lidocaine	7380620	147059825	31582099	17195888	28101935	14994555	14238704	24455904	15888143	19218196	12844346	22607041	22368730	47584900	2942857	14310117	1642916	362512	3667199	93949435	807474	13889816	35393813	9730567	3675006	58308852	11165112	5179483	8269701	1743572	1579709	1461407	10370145	38243239	10447737	4804817	16174852	43217022
N-ethylglycinexylidide		1202440	184489						15606107		456015	15033763		2234685	4075252		1922407	317817		1956684	4895331	101591		1501837		110855		5594454			2193205		205356	4761075		136395		2999423
glutamine_degradant*	12323661	23323508	11864302	10939550	4075193	10986568	8486643	12535934	17669920	18826829	25353319	7256309	14008426	22072760	12982027	10610176	6277992	20699376	7559572	42627219	11556585	13384340	6708581	5948359	10103632	5344787	7425332	9593787	20034904	8397386	2603051	8762929	17981627	4706016	13752891	20589279	13819732	13998821
homostachydrine*	872006	142118	301925	187326	252839	276021	200788	120063	204601	311795	105801	531100	92595	151000	320662	386598	327125	170320	188999	152954	124034	130907	921580	392736	784769		249742	291179	593585	340920	604261	186277	479437	231577	328690	3058574		
glutarylcarnitine (C5-DC)	1465171	1065428	1228916	778529	508343	773164		501232	1883943	4465677	847571	798509	370992	1218684	870563	588679	620941	1169483	804520	1057055	887666	405528	941306		1352499	814854	859391	987817	1295493	228296	383861	797250	554354	520771	391555	794919	295647	584591
beta-hydroxyisovaleroylcarnitine	1012103	1055025	1306899	616951	952738	960751	931439	603805	1094756	746962	605733	619323	539174	913229	674635	719055	482943	812004	934012	874087	770568	612531	898773	714750	788723	509964	589406	820744	1109394	360178	602909	625801	815342	607298	871324	589380	728137	568592
tiglylcarnitine (C5:1-DC)	296047	298733	357151	286908	267976	295839	202738	223373	262307	406015	210610	179324	198020	325393	354662	252414		314459	209947	371611	312729	231397	252095	171198	376117	93248	276030	172880	353737	116493	114332	257406	165532	145338	221539	166380	112051	113318
N-acetyl-aspartyl-glutamate (NAAG)	23059211	37421476	17899999	11541006	42796252	16038739	23329970	29708986	30924951	41541266	15472442	23819562	32940406	24096856	18198156	37156836	16533597	15745184	8340648	19260622	28391626	33828448	26216384	19347127	10839280	15340723	20129402	27278682	13388079	23087951	12985587	14011424	21558914	13092070	11231906	9453275	8498022	12166443
glycerophosphoethanolamine	383187	1110474	280970	150161	508577	361716	654758	607297	580820	205529	302956	500895	292397	548724	222249	337104	435176	213486	643472	401926	402866	740381	485244	357612	457313	739179	434836	420183	149317	814975	463366	296312	444144	311351	581321	352941	519557	192204
deoxycarnitine	1662070	2089187	1551201	961006	654260	1478920	1451929	638554	1504013	1142598	1276912	1183229	766587	1033616	803709	1276031	892569	952384	1768983	2025912	1428164	1584315	1408623	958197	1285397	803332	783890	907018	2062036	682090	626356	1203952	832077	775846	1093081	829803	635332	876330
1-ribosyl-imidazoleacetate*	1782703	1008696	1421352	1556991	979693	1256421	1494834	1323243	1525581	2408966	1303588	1051576	1656142	1574275	1287363	1584282	980233	1091258	1300300	1443972	1404093	1005175	1064349	936823	1250533	1278665	1887697	1776052	1274519	960001	495466	954945	1413002	1204627	1017041	1797078	1115740	1214027
tryptophan betaine	29477898	5390468	4305659	4328083	2673134	4734076	2278701	11677464	1964773	3915723	10936888	7718002	20646450	3543015	2109394	3819532	5822326	9323112	7773830	17593912	7516627	13146998	2496063	6912548	1490523	1949886	2276262	183942	25260223	569441	5914907	5054830	5730096	4450281	1140950	26174407	296285	
dimethylarginine (SDMA + ADMA)	9455986	13382093	10167064	8249735	8712432	7802654	5684309	7124908	8798316	7791904	8416457	10630063	8996306	9497485	6979074	7051363	6284346	8767540	10956127	11180918	10782518	9105412	8049628	5886839	7768812	8451976	7530192	6056621	12398553	7794399	5489461	9162353	6051240	5040294	5676015	9808675	6545458	5185479
cyclo(leu-pro)	301089	427729	414176	258082	676328	79618	84508	687317	288608	512292	69940	1116657	479215	203767	262890	267789	274793	510166	229368	142725	220288	230807	133766	600307	474764	501978	187075	72895	286981	304401	123442	25218	644380	45994	512605	283346	248343	91362
succinylcarnitine (C4-DC)	7319201	4930262	6451784	6536683	5092137	5411092	5932158	5039723	7639461	7195883	4482891	4382529	5093187	7828179	5177332	6000102	2723407	8445401	6008579	8388007	6786124	6568795	5168691	4610610	4057837	3672202	6969288	5210170	9858651	2638792	3181595	5363849	5676867	4300582	4387189	2512326	2406947	3303186
N-methylproline	886844	3904673	941400	1369255	1089583	1464153	2222745	271933	520407	1158074	943297	533124	2261790	2000065	3488187	428597	780351	296232	7114213	318587	4033511	1000800	1039955	304190			593945	1218220	2305809			2567918	417423		520178	550732	1443580	294811
5-methylthioribose**	373179	599360	519941	420232	450555	452396	434390	501664	483747	605446	387030	574321	551451	515275	434010	279509	278059	649490	922695	642813	570147	316082	595770	328576	633751	474576	392655	445802	604142	351510	305650	481789	433398	199469	347089	343274	274708	412906
betonicine	269273	140836.9		151815.6		118061.4	181317	118869	138031	580437.8	183399.8	440469.8	933663.1	392713.6	9030256.7	45389.1	13784.5	381256.2	518214.3	412407	583677.1	1031506.6	1309	53407.8		330709	1453668.3	133217.2	256738.6	7136.6	135907.3	292496.6	33470.6		6072	502211.8	64381.4	
ergothioneine	768548	3296731	1537945	2614424	3015353	1854742	475608	9654322	1807888	4188837	3124741	728090	2377194	2030427	1514293	849922	517137	1220255	2244516	2750651	2965975	2373141	3065869	1432898	2044454	1135032	2300193	724148	2202932		1504715	253574	788637	971231	488646	2585382	166618	2467406
N-acetyl-3-methylhistidine*	8004953	2028901	11441176	988834	5790094	9799261	2975964	141753	2884633	11610453	7367335	7648981	147535	1020331	7572004	1299178	2299808	7701536	1477091	2973238	8461075	3461951	4661231	2477618	4405010	2319506	4207954	5987495	7732570	5689985	197486	1943005	4401906	1332942	3691099	89056	996149	1607972
5-(galactosylhydroxy)-L-lysine	163810	177675	146732	691742	189974	131399	148217	594059	230076	897607	691135	153480	710310	858493	785114	177343	101269	748823	202451	490239	682497	369610	179536	135487	581374	317063	991745	213283	273474	187972	80789	622701	197121	140997	104719	623018	296974	550286
cysteinylglycine disulfide*	10307202	12083361	14030612	7062565	11066704	8349247	6950369	5391069	8871006	7379363	7654185	9899593	8168264	5740459	9164980	5988685	5594551	6923972	15510624	10599069	10032216	8081658	10728814	7502406	8438104	10973959	6420498	6974057	11640132	6951513	7261951	6189025	7936256	6150571	6354787	6269561	5218612	6329266
ranitidine																							3490034															
argininate*	4415711	539090	435547	321729		907741	1206471	2823227	595569	702027	387547	1218249	2128512	608353	472668	312215			584693	427455	505636	455248	388275		498981	281985	311028		602417	327672	675422	242603	402157	75839		958151	213898	312831
2-oxoarginine*	2085561		678817	220635	546705	746658	1178029	781880	706154	241358	207564	742575	554997	158339	140863	461837	339882	202871	706226	162570	172700	134891	434430	520851	218863	83994	170636	577358	688980	457145	552401	218430	551799	357605	537589	336111	135773	209974
gabapentin																												121905290										
1-methyl-5-imidazoleacetate	3050737	1595609	4147310	287285	1496918	5775285	2060244	213795	1072487	3993371	2326916	2843463	218205	1848178	3920168	759739	1212979	5233192	1265347	3036978	2291602	2138402	2407979	916999	1765285	1156083	899885	2101947	2736393	1833066	228154	849856	1572808	844131	1515431	179756	638986	874306
S-methylcysteine sulfoxide	2664199	7360896	6870217	14760802	3493245	9458522	11717308	15986658	1761369	15475959	6128502	9822832	20185942	1471751	6729487	996678	1354237	1937753	17775765	6747100	2803982	7526171	3819255	2640613	4235979	2917216	2141735	6159663	11904248	2851484	12812314	4441812	1514755	1043993	715088	2699793	1400930	1095136
carboxyethyl-GABA	857628	508004	783389	1050311	965551	600745	804859	979507	927045	1422776	660558	802851	827868	1177319	1076470	1165748	602992	1000225	627769	775396	872499	495042	1316065	495970	747970	634731	1037796	971104	896701	747788	595322	723823	981352	612374	921305	786106	465865	583819
trimethylamine N-oxide	7055773	4151336	12564701	3170848	7118261	7570640	5448955	10983935	6837234	15464937	4268413	8070122	12775135	12275689	11419474	6980769	3466945	7747878	11389060	40986115	4212939	15443401	8030460	3780500	15457998	4560789	43901133	3550335	16623236	3387635	11940927	5158965	4779600	1171445	9319970	5701336	1043526	3518458
N6-methyllysine	11234466	15700443	65032330	55602389	10158702	6198002	1918636	46801688	72256546	49521985	27018637	4823575	70038228	73765896	4386778	8645065	6165123	63561986	80514268	8804009	65878806	5094729	3900591	3598953	10979803	43037405	6999373	33820978	18280109	3380884	2239359	9568966	4264926	4614050	9569084	8521713	59161727	2812898
equol glucuronide		95723			70348	45900		97126	98084	113550	69678	34552	52064	81281				88402		108940	76269	41255	45324		64906		81632		45161									32917
N-acetylcarnosine	196132	108763	247335		104611	170133	145153		213172	123182	82358	153739		83457		41004	30848		356183	266874	56972		167931		202528			118256	326732		48521		164505		236468			
dimethyl sulfone	2193926	3488389	1905791	1495477	2185835	2057016	1013197	3225416	2402717	3772146	2147022	3366046	3083299	2089094	1617153	1273650	1234010	2470306	6498491	4989027	2291719	1098238	1046581	641503	759660	2432318	1314421	801213	1653755	1296465	845206	360479	618344	349998	629223	1348436	408274	187768
2-piperidinone	25085421	25650099	149460892	43729331	9527135	56394576	265490781	9865167	23508975	107189552	97197312	13115778	59452761	59149972	14794330	71934415	84034974	65780561	16369611	259666013	46657399	83779366	99430190	14233023	47698757	20648040	1835496	11647476	33910513	74139065	28209438	13564681	69297764	115274327	33636197	7843518	8258675	75064619
S-allylcysteine	104375	3273056	565989		283415	2180503		207390	344462	260643	458567	24247	245086		24734		17533	170828	738795	240817	163871	92011	422770	37819	675721		40900		2722512	73465		314138	126481			1237292		126873
2-aminoheptanoate	261422	273305	317441	155488	121634	241523	119397	48299	253494	162095	180304	255289	460126	481206	262729	332671		95589	189978	280116	355819	395214	197695	138011	68966	190009	188984	54225	302670	182013	87344	261076	109884	73215	128923	301389	84061	
methionine sulfone	266415	295610	412691	303577	372302	152994	329919	691281	171937	403848	246317	498085	588968	239526	602708	142256	243509	489786	433878	320570	546072	371989	219818	343019	340469	241154	146395	216871	272721	169143	169305	276825	280478	179887	141580	614190	237005	182659
fructosyllysine	3997151	6109597	4637994	3435666	5086931	3979184	3627382	3468690	4003141	4207897	3991649	4603458	3396365	3862763	3608821	3000768	2941982	4335957	3366419	4193772	3292159	4368974	4086940	4095113	3404725	3896326	3348644	2702881	3530617	3252669	2487301	3233804	3467773	3299741	2741554	3715695	2756322	2865914
3-methylglutarylcarnitine (2)	1055142	456161	1019942	485721	927835	634138	346901	577016	792112	595765	541267	671207	478404	707787	521447	588935	407897	834255	443981	626845	596033	461276	361385	300134	644436	395641	463765	563018	827919	651698	221019	569155	755201	397270	467692	332607	179251	266968
C-glycosyltryptophan	9446317	5260074	7755496	7036568	7198934	5862681	5784302	5780254	11435686	7383288	4968580	5510748	6247741	7940778	7893268	8413106	3849734	11325706	6545522	7510401	5891839	5216857	6017740	5075830	4714910	5144624	10309338	7021972	7871631	7040742	3711717	5220870	5646201	6159512	4203544	5949535	2872308	3769598
N-acetylglucosamine/N-acetylgalactosamine	12673385	9887319	14043368	10236539	10453623	8772831	10343164	8930730	14697443	10969604	7914743	8579316	9235889	12199355	9345460	11069130	6496779	12833540	11387502	12054893	9304085	9723105	9209449	7646139	6235978	9811514	11469033	9704927	12160436	10019377	6572972	7668843	7721731	8489222	6140762	8788689	5139470	5868461
adipoylcarnitine (C6-DC)		52389	68113	67784	105449	37612				120163	49181	39587	52087	116007	132753	70645		97703		119286	96086	38000		51407	134425		50986	39456	118916			204330	27133		24149		39748	60695
pregabalin																														75117177								
methylsuccinoylcarnitine	1361126	388182	749146	622782	1187935	892174	585913	678871	979306	1005201	720663	820340	1333733	2424309	607211	1209364	411952	2292439	523829	1398598	831795	1009600	706274	736277	1478338	556976	1247069	1222564	1891168	1266318	431174	1744400	1428268	747445	593344	810107	307052	930828
succinylglutamine	944841	882948	1354167	929822	1021541	1000905	1071791	963059	1201470	797724	873416	1032584	583257	1267934	781311	1323327	790305	1407950	985688	1163852	962626	776522	920437	778557	873370	636186	1292337	742259	1251956	1101047	639162	645397	989815	876866	712878	610706	388928	465910
2'-O-methylcytidine	547930	1163333	1112654	731333	733949	717632	719315	522902	666177	578663	570337	523667	504083	598295	763876	709351	477640	530874	1133227	886809	712035	714297	445440	477920	403324	687434	430131	693931	753613	749575	439781	422213	545717	492777	275974	850930	329784	306183
gamma-glutamyl-alpha-lysine	636042.6	901797.4	839940.4	402502	508893	622267.2	620092.3	462305	387373.6	671849	584524	475437.8	438817	575066	601339	468136.1	338446.8	687388	433567.3	690930	584311	495060	733751.6	509281.9	621318	565762	475163	410592	658229.4	626555.7	452941.2	368687	560506.4	413145	485298	523632	332648	443517
N,N,N-trimethyl-5-aminovalerate	7620857	8218656	4004267	2975050	5104823	3724733	3566731	2717541	3971884	5669361	2950242	2229455	2272333	3338122	3934180	5583966	2104374	2808544	7484548	5217587	8144709	4394983	3319278	2565485	3402615	4319494	3148651	5544594	6663642	1954701	3391563	4426228	2965102	783066	3979081	2085612	2203658	1302872
(N(1) + N(8))-acetylspermidine	1689629	2594962	1378117	1388127	1527665	2223156	797399	851391	1798486	1128144	2845452	1190297	1689477	1383979	1258188	1121949	850331	1673978	1758321	1269627	1200412	1565597	955663	1148509	1155284	1247207	1370158	995438	1689150	900980	740329	1241447	1005792	841058	1247879	1669341	726058	559426
3-hydroxystachydrine*	1293274.9	5418558.8	330012	2484325.1	3575954	5948870.2	5914425.3	383659	862934	4822982.9	529950.5	1461073.9	11062021.7	4236754	14455195	111891.8	525447	119222.6	16937212.9	1518023.2	18338336.2	255725.1	796455.8	439946.7		1397604.4	491445.3	4030329.6	3229488.2	179006.6	84607.5	7897187.1	374120.5		616302.3	2538498.1	2556015.7	
hydroxyasparagine**	395299	409204	504666	284777	422102	290650	213350	149053	226017	387336	406218	349782	365890	260237	432382	168996	204603	357318	520481	408951	353594	212349	436378	250601	413933	359197	218270	256240	434053	167583	253040	317130	242618	166506	292485	389096	167575	234577
N,N,N-trimethyl-alanylproline betaine (TMAP)	7480718	6069053	8324336	4892523	6469456	6470442	4527595	4039456	8975614	9359694	6703181	6589933	6784858	6653405	8635223	6131410	1275085	9159577	11787236	9766522	5716161	3188591	7230227	3754747	7726800	3619243	6570515	3746789	9836230	3836454	2522773	5265746	6692508	2586648	4500238	7096588	1844740	3875461
gamma-glutamylcitrulline*	75470	161214	89449		49569	63275	76759		36835	151289		95418	54807	50816			38403	45985	144660	108739	72220		99701	28342	56304	90919			84159	64526	65244		64652		46672	37800		
diacetylspermidine*	1676088	2044510	1304322	1250826	1505997	1965646	1031215	1139701	2887026	910517	1796914	839361	1127289	1260943	883145	1443358	867716	1474541	1586329	997155	1251310	1142661	762612	740280	1084816	1027723	1555798	1355619	2406628	2123477	846219	1381824	752844	863351	859476	1393611	641421	450988
3-amino-2-piperidone	651035	737780	769998	433101	518763	366689	447167	535644	593749	672976	584960	849802	714235	539575	656355	681006	385803	465047	491927	533909	767145	637987	483230	460514	430444	364062	857901	596267	701540	1692446	411332	337767	434302	441542	428184	754322	332173	320633
N6,N6-dimethyllysine	1109747		15301111	12298365				15591815	16005669	14390632	10844000		14703504	13327055				14282161	17431711		12058839					10582060		8798459									7908759	
N-acetyl-isoputreanine	8168457	6282357	6938458	6688212	6614755	2550042	3686797	6321815	8266485	7767850	5864036	5459417	5880752	7854737	5314265	6961283	3059685	7354320	5800626	6499452	5640554	3863268	4734782	3814234	4760581	3669508	7478717	6561967	8199319	6751108	2979048	4711289	4491520	4166619	4883185	5301399	2658661	2680124
N2-acetyl,N6-methyllysine		103323	262535	125049	90866			143730	301929	314887	38395		200419	175576				416727	144734		172582					217487	111466	178698	158099			55131				42173	53515	
hydroxy-N6,N6,N6-trimethyllysine*	1756883	3211905	1424726	2843744	1002919	1217616	1281959	2770961	1948725	2952407	2486966	908096	3877349	6367426	2922431	1139265	882273	4212198	1053346	3757248	2888564	3399785	951317	1072605	2337628	2884995	4000009	767261	1479729	1550400	814011	2403001	1045773	1187344	732720	2932424	1568388	1908383
N,N-dimethyl-pro-pro	10527516	6580675	9681992	8403748	7236023	7217200	6757293	7354428	15001210	8863150	6364486	6512931	6709370	9192290	7974077	9172088	3925008	12671366	7439587	9476789	7574998	6938249	6194722	5343050	5657878	5950934	11667920	7904053	10341228	9482476	3942443	6269237	6577967	6153227	5134025	5946791	2883481	4550093
X-10457	1614060	847471	1245030	1279484	1432533	1075625	1091538	1150563	2504669	1123876	944073	1039238	874450	1404093	1198626	1549187	636978	2120921	1149450	1588555	1281336	950885	881028	824255	776871	1223235	2356044	1001749	1952443	1547484	709937	1194690	999760	1162983	650983	861088	460757	622385
X-11787	5720139	7019260	6589300	4004564	4623796	5930408	3443922	5129037	4132866	4569580	5492389	6358317	8048758	4871825	6091103	4672387	3431050	6180448	9333755	5771229	6562508	4633160	5498160	3633448	5000560	4823458	5177935	3805773	5949994	3531545	2876982	2969570	3699656	2902896	2685332	5183145	2154695	2333873
X-11795	2008879	3359975	2492881	1567812	1701512	923751	1252499	418713	955358	1581494	1620528	3041365	7754903	1567177	1038882	745204	1042686	465073	245679	5031525	2101048	939592	1222124	1573524	526523	789407	797680	2103012	1300045	1083946	1208263	1272766	534901	1373678	1108842	4850600	860055	475360
X-12100	622505	494834	594210	355370	480905	430773	262472	326105	337290	471331	413048	545651	471198	500362	612301	475986	186826	444556	499047	444728	540620	256228	367973	274135	396775	385811	441088	382782	621506	403550	296697	560676	337046	184430	220250	320978	159801	188567
X-12101	413384	1094490	455753	508259	610987	286514	381358	387377	460514	531569	249436	650391	1039728	567974	785665	605497	296421	421769	642120	930756	558486	557278	324266	335645	616857	539382	473459	338026	530328	424712	230055	848915	262711	230288	355657	469858	168049	170871
X-12127		79784		40412				40338		131984	96908			267202	110629					32285	114851						202035											
X-12680	1248264	923199	1487864	654689	701282	549307	399107	380234	617346	889223	694034	819032	936353	544583	634213	448149	494480	924412	1197377	1192343	1402656	757698	532177	265177	452825	944293	824804	323730	928642	570209	414921	324377	805534	388828	369994	692834	198456	320512
X-12689	1776467	980438	1022134	1589200	1508646	1402040	1240479	1192014	2915613	2176396	970599	940273	1339481	2289888	1887200	1667285	888637	2292044	997522	1829003	1170686	1101618	1140865	1221836	1162827	1366137	2852183	1081001	1358739	1598395	730807	1230412	1147008	1359868	780904	605081	804574	722540
X-13684	119997	465041	136148	100006	120856	119905	142321	90432	138470	139544	116002	103749	76462	106216	103586	129485	100506	105068	116914	227740	146732	159186	103136	83410	113191	168735	105279	61914	141936	130097	79449	132237	127403	97337	39961	126551	60755	66754
X-14056	350469	974197	577522	665754	680467	457182	631726	481433	744011	742394	528997	439823	607001	699360	551317	604825	760884	675444	527167	670922	1514713	874034	690297	569831	697667	969508	713110	671273	809573	378335	404354	660446	344419	691483	378820	887202	496557	561074
X-16580	32364	88768	68063	58255	175996		50247			92163		78489	53465	41039	104629	72707		27191	67393	192559					124518	41066			140474		30713	157540	48462			67784		
X-22162	701857	1336063	1234594	1088475	489585	1399186	1013061	1678967	665590	946062	1038718	1958870	2291990	1044112	1309936	925234	686956	1244026	1273553	1175810	1063233	918062	762295	613269	990231	785544	679294	976303	1309768	753750	532731	766004	879331	608336	740082	1324992	433414	443987
X-23583	1477731		932313	2894342	839618	3278803	3955672	4117471	5346680	2813783	1726238	1173615	5850643	1496613	443148			2441129	4219870	1251397	686692		4151415	906426	972721		497699	2573932	644524	939969		959726			2963778	1610934		779128
X-23587	265864		1128463	215286	740198	1707849	388693	879042	538105	177343	1235106	767614	2721131	1275101	907470	599712	523968	3039195	641013	899308	536945	797037	1165680		134372		1687448	394716	2353268	511817	490237		1285342	592085	723852	526179		
X-23593	4883357	7299806	6328515	4454738	4526851	3966374	4775005	4970100	5697413	6834275	3543192	4910066	5836391	4914753	5064945	3123536	2470588	4231967	3987749	7295266	6408322	5617606	4511245	3817646	4211685	4887709	6204824	3096819	3540742	5002389	3753589	4748201	3429172	3920633	2811605	4382994	3581364	2972968
X-23639	1536428	8073679	1731461	3732747	2692481	1768763	1314817	4215910	1259256	1737585	1586873	4330942	3898521	1919163	1374556	774957	863322	3705977	1692918	1773453	5000574	1817640	803618	909913	1497627	1523541	1730610	1079593	2096122	1310553	898340	1800090	1577829	406156	1204599	4151515	715502	644418
X-23644	1031221	598024	1835498	5083919	1567286	2666095	273495	1813221	2223580	2382743	1267482	3742990	8299365	4786256	7067401	1425610	283019	4831776	4201143	4724267	12494496	8117732	1055780	1709126	973336	12585409	18364218	1191580	7215361	167923	2459853	733496	1835614		272448	2364460		
X-23666	131278	71435	134047		71383	107692	157296	52740	224251	71809	73113	101993	110179	245947	71979	117232	80554			71918	159680	90413	62763				114255	64159	115742	128744		64166		63213	50444	89899		
X-23739	1175986	675467	1167536	920265	638455	873962	729194	721811	1084307	1004255	761546	759884	697868	882229	609735	735708	512854	908723	754846	1304382	781131	793058	766029	503770	564592	653067	815467	785955	1029569	706197	571156	655010	730185	725638	610118	720753	520032	650956
X-24228	2571161	1667855	1698975	2273206	2383453	2069824	1894688	2269828	3600094	3308850	2083036	1751569	2480883	2916629	2790816	2735495	1171435	3343449	1988974	3002500	2352442	2077357	2126281	1589172	1479923	2120084	3765789	2437456	2600669	2157635	1253111	2024475	1921704	1773293	1384006	2264051	1054666	1476995
X-24408	243854	148243	250056	104131	114793	120708	79950	144207	135424	459349	149747	196813	120416	94122	169863	142984	60724	149110	197734	179447	116903	82994	151196	82369	166499	77903	94016	101873	208271	69467	49625	88420	97028	32514	88838	95656		68992
X-24411			970473	3343566			2756932		1285076	867150			806871	1129549	516900	1775373	1203543	862023	1669284	2699030	379467	867916	1780354		743103		1104323	1671065	955471	1790984	945435		536480	1238432	360209	359428		1492653
X-24422	343760	227731	424568	185216	294748	242060	169882	192773	308742	283361	170042	212107	267547	296412	260673	169080	120269	394214	314552	286791	220481	145957	263084	166800	244256	180252	216052	199428	275865	195636	172310	162160	212045	150125	150349	185667	76823	138742
X-24520			39447	85002	39307	47435	57684	104538		86116			65240	46361	74128	87516	78079				63246			62563	72247			62313	53020	75514	37614	46443	41105	81482	58479	63059	38890	59642
X-24728	253072	348017	513316	198685	216497	178625	160243	115669	194130	326183	215539	152047	205538	208730	299532	145352	94166	259942	229024	345077	248995	183884	299740	133190	159663	221382	250692	159753	326640	132940	170749	181286	104717	183606	142065	200638	71326	79659
X-24736	105775	170089	147577			236523	76072	933695		193947		360890	688886	110192	217459			279981	312897	90033	183380	208931	191542					44284	214369			84737				627531		
X-25109	1055985	2432168	1148278	2019723	1932788	1122035	2456310	1419330	2852582	1791939	1730179	1135559	1377285	2256792	1083899	1818114	1687623	3259705	843299	2479083	1632812	2673618	1095428	1340999	982129	2936811	1903633	1484383	1415230	1886029	935334	1879290	955279	2287906	1063908	1534828	1809578	1534257
X-25217			744630	8425900	1776328	5150777	14624711	12393528	200468	15547861	603347	1021179	7653854		7138524				13389959	381583		2002169	888641		1286829			2028158	12089396		744157							405746
X-25271	2700636		753394	362028	1117655	423735	96624	3552269				1324683	518641	184561	123642		143206		1158508	51737	109590		623189	202496	185404		359990		64029								53190	
X-25790	20931669	12021520	17391000	16367802	9774806	7709346	8396033	8111803	22638484	11253324	9862198	17155454	13616519	25259560	13566756	22947537	9448545	19431390	9594585	16686269	18136650	12507424	9416358	6527182	7547467	8894394	7560493	16953415	14191072	15947700	6266092	10122741	7210224	10940252	6751352	18368240	4865509	876908
X-25936	3775257	3328148	4016230	3888623	3258890	2727413	2935517	3348650	4504431	3839993	2583642	2791300	3194370	3976660	2808701	3025702	2084858	4276523	3139949	4226002	3575630	4000005	2702453	2107342	2360855	2465691	4047026	3316177	4447173	3200879	1840848	2732027	2356935	2823890	2438095	3715783	2010076	2163722
X-25983	236545	560763	222483	236176	359114	182258	327181	420545	355081	355166	188542	364570	436103	396427	356466	304353	351043	364004	166538	248766	276181	228775	158905	263063	248371	254982	530875	325598	124625	343896	236422	186668	304766	247182	183472	222236	175178	106226
X-26008	2181969		2117833	1366431	1420005	1707883	1723476	1580959	1882048	1748139	975976	1580132	2304529	1807319	1114529	1136959	825764	1064102	2606121	1540272	1648034	1645712	1221207	1056920	917865	1538631	1377361	1623006	1609415	1666756	1383541	1019468	949245	724447	1058658	1695219	1085051	581832
MS_METABOLITE_DATA_END
#METABOLITES
METABOLITES_START
metabolite_name	CHEM_ID	LIB_ID	COMP_ID	CHRO_LIB_ENTRY_ID	SUPER_PATHWAY	SUB_PATHWAY	PATHWAY_SORTORDER	INCHIKEY	SMILES	PLOT_NAME	CAS	CHEMSPIDER	HMDB	KEGG	PUBCHEM
S-1-pyrroline-5-carboxylate	35	400	42370	166164	Amino Acid	Glutamate Metabolism	62	DWAKNKKXGALPNW-REWHXWOFAV	OC(C1CCC=N1)=O	S-1-pyrroline-5-carboxylate	2906-39-0	10140206	HMDB0001301	C04322	11966181
homocarnosine	41	400	1633	155434	Amino Acid	Histidine Metabolism	85	CCLQKVKJOGVQLU-QMMMGPOBBT	NCCCC(NC(CC1=CN=CN1)C(O)=O)=O	homocarnosine	3650-73-5	8418848	HMDB0000745	C00884	89235,10243361
spermidine	50	400	485	155305	Amino Acid	Polyamine Metabolism	545	ATHGHQPFGPMSJY-UHFFFAOYAK	NCCCCNCCCN	spermidine	124-20-9	1071	HMDB0001257	C00315	1102
1-methylnicotinamide	55	400	27665	155829	Cofactors and Vitamins	Nicotinate and Nicotinamide Metabolism	4317	LDHMAVIPBRSVRG-UHFFFAOYAE	C[N+]1=CC(C([NH-])=O)=CC=C1	1-methylnicotinamide	1005-24-9	8305504	HMDB0000699	C02918	457
kynurenate	98	400	1417	155363	Amino Acid	Tryptophan Metabolism	272	HCZHHEIFKROPDY-UHFFFAOYAN	OC1=C(C=CC=C2)C2=NC(C(O)=O)=C1	kynurenate	492-27-3	3712	HMDB0000715	C01717	3845
5,6-dihydrothymine	158	400	1418	155364	Nucleotide	Pyrimidine Metabolism, Thymine containing	4281	NBAKTGXDIBVZOO-UHFFFAOYAR	O=C(NCC1C)NC1=O	5,6-dihydrothymine	696-04-8	84456	HMDB0000079	C00906	93556
hypoxanthine	171	400	3127	155485	Nucleotide	Purine Metabolism, (Hypo)Xanthine/Inosine containing	4121	FDGQSTZJBFJUBT-UHFFFAOYAJ	O=C1C(N=CN2)=C2N=CN1	hypoxanthine	68-94-0	768	HMDB0000157	C00262	790,135398638
N6,N6,N6-trimethyllysine	189	400	1498	155380	Amino Acid	Lysine Metabolism	116	MXNRLFUSFKVQSK-UHFFFAOYAO	C[N+](C)(CCCCC(C([O-])=O)N)C	N6,N6,N6-trimethyllysine	23284-33-5	140379	HMDB0001325	C03793	440120
N-acetylputrescine	192	400	37496	156406	Amino Acid	Polyamine Metabolism	538	KLZGKIDSEJWEDW-UHFFFAOYAE	CC(NCCCCN)=O	N-acetylputrescine	18233-70-0	109095	HMDB0002064	C02714	122356
5-methylthioadenosine (MTA)	212	400	1419	155365	Amino Acid	Polyamine Metabolism	556	WUUGFSXJNOTRMR-IOSLPCCCBD	NC1=NC=NC2=C1N=CN2[C@H]3[C@H](O)[C@H](O)[C@@H](CSC)O3	5-methylthioadenosine (MTA)	2457-80-9	388321	HMDB0001173	C00170	439176
N6-methyladenosine	213	400	37114	156329	Nucleotide	Purine Metabolism, Adenine containing	4155	VQAYFKKCNSOZKM-IOSLPCCCBA	OC(C1O)C(OC1CO)N(C=N2)C3=C2C(NC)=NC=N3	N6-methyladenosine	1867-73-8	92307	HMDB0004044		102175
arginine	231	400	1638	155435	Amino Acid	Urea cycle; Arginine and Proline Metabolism	483	ODKSFYDXXFIFQN-UHFFFAOYAT	N=C(N)NCCCC(N)C(O)=O	arginine	1119-34-2	227	HMDB0000517	C00062	6322
argininosuccinate	232	400	15497	155552	Amino Acid	Urea cycle; Arginine and Proline Metabolism	484	KDZOASGQNOPSCU-UHFFFAOYAF	NC(C(O)=O)CCCNC(NC(C(O)=O)CC(O)=O)=N	argininosuccinate	156637-58-0	805	HMDB0000052	C03406	60150382
ascorbate (Vitamin C)	233	400	32354	155914	Cofactors and Vitamins	Ascorbate and Aldarate Metabolism	4348	CIWBSHSKHKDKBQ-JLAZNSOCBT	OCC(O)C1OC(C(O)=C1O)=O	ascorbate (Vitamin C)	134-03-2	10189562	HMDB0000044	D00018,C00072	54670067
aspartate	234	400	443	155304	Amino Acid	Alanine and Aspartate Metabolism	36	CKLJMWTZIZZHCS-REOHCLBHBW	NC(C(O)=O)CC(O)=O	aspartate	56-84-8	5745	HMDB0000191	C00049	5960
beta-alanine	244	400	55	155295	Nucleotide	Pyrimidine Metabolism, Uracil containing	4240	UCMIRNVEIXFBKS-UHFFFAOYAL	NCCC(O)=O	beta-alanine	107-95-9,56-41-7	234	HMDB0000056	C00099	239
choline phosphate	267	400	34396	156099	Lipid	Phospholipid Metabolism	2234	YHHSONZFOIEMCP-UHFFFAOYAD	C[N+](C)(CCOP(O)([O-])=O)C	phosphocholine	72556-74-2	119298	HMDB0001565	C00588	1014
creatinine	275	400	513	155307	Amino Acid	Creatine Metabolism	529	DDRJAANPRJIHGJ-UHFFFAOYAV	CN(C(N1)=N)CC1=O	creatinine	60-27-5	568	HMDB0000562	C00791	588
cysteinylglycine	278	400	35637	156206	Amino Acid	Glutathione Metabolism	576	ZUKPVRWZDMRIEO-UHFFFAOYAS	NC(C(NCC(O)=O)=O)CS	cysteinylglycine	19246-18-5	58762	HMDB0000078	C01419	439498
cystathionine	310	400	15705	155581	Amino Acid	Methionine, Cysteine, SAM and Taurine Metabolism	453	ILRYLPWNYFXEMH-UHFFFAOYAH	OC(C(CCSCC(N)C(O)=O)N)=O	cystathionine	535-34-2	811	HMDB0000099	C02291	439258
glycine	340	400	58	160611	Amino Acid	Glycine, Serine and Threonine Metabolism	1	DHMQDGOQFOQNFH-UHFFFAOYAW	NCC(O)=O	glycine	56-40-6	730	HMDB0000123	C00037	750
histidine	355	400	59	155299	Amino Acid	Histidine Metabolism	70	HNDVDQJCIGZPNO-UHFFFAOYAG	NC(C(O)=O)CC1=CN=CN1	histidine	5934-29-2	752	HMDB0000177	C00135	6274
hypotaurine	358	400	590	155331	Amino Acid	Methionine, Cysteine, SAM and Taurine Metabolism	470	VVIUBCNYACGLLV-UHFFFAOYAM	NCCS(O)=O	hypotaurine	300-84-5	96959	HMDB0000965	C00519	107812
isoleucine	376	400	1125	155350	Amino Acid	Leucine, Isoleucine and Valine Metabolism	385	AGPKZVBTJJNPAG-UHFFFAOYAW	NC(C(O)=O)C(C)CC	isoleucine	73-32-5	769	HMDB0000172	C06418,C00407,C16424	6306
citrulline	391	400	2132	155460	Amino Acid	Urea cycle; Arginine and Proline Metabolism	492	RHGKLRLOHDJJDR-UHFFFAOYAQ	NC(C(O)=O)CCCNC(N)=O	citrulline	372-75-8	810	HMDB0000904	C00327	9750
leucine	397	400	60	155300	Amino Acid	Leucine, Isoleucine and Valine Metabolism	332		O=C([C@H](CC(C)C)N)O	leucine	61-90-5		HMDB0000687	C00123	6106
lysine	407	400	1301	155354	Amino Acid	Lysine Metabolism	105	KDXKERNSBIXSRK-YFKPBYRVBE	NC(C(O)=O)CCCCN	lysine	56-87-1	5747	HMDB0003405	C00739,C00047	5962
ornithine	444	400	1493	155375	Amino Acid	Urea cycle; Arginine and Proline Metabolism	487	AHLPHDHHMVZTML-BYPYZUCNBZ	O=C(O)[C@@H](N)CCCN	ornithine	3184-13-2	6026	HMDB0000214	C00077	6262
phenylalanine	460	400	64	155301	Amino Acid	Phenylalanine Metabolism	140	COLNVLDHVKWLRT-QMMMGPOBBC	NC(C(O)=O)CC1=CC=CC=C1	phenylalanine	63-91-2	5910	HMDB0000159	C00079	6140
phosphate	461	400	42109	156915	Energy	Oxidative Phosphorylation	1469	NBIIXXVUZAFLBC-DFZHHIFOAA	O=P(O)(O)O	phosphate	7664-38-2	1032	HMDB0001429	C00009	1061
proline	480	400	1898	155455	Amino Acid	Urea cycle; Arginine and Proline Metabolism	495	ONIBWKKTOPOVIA-BYPYZUCNBZ	OC(C1CCCN1)=O	proline	147-85-3	128566	HMDB0000162,HMDB0003411	C00148,C000763	8988,145742,614
pyridoxal	491	400	1651	155439	Cofactors and Vitamins	Vitamin B6 Metabolism	4451	RADKZDMFGJYCBB-UHFFFAOYAP	OC1=C(C)N=CC(CO)=C1C=O	pyridoxal	65-22-5	1021	HMDB0001545	C00250	1050
serine	503	400	1648	155437	Amino Acid	Glycine, Serine and Threonine Metabolism	10	MTCFGRXMJLQNBG-REOHCLBHBX	OC([C@@H](N)CO)=O	serine	56-45-1	5736	HMDB0000187	C00065	5951
urea	533	400	1670	155443	Amino Acid	Urea cycle; Arginine and Proline Metabolism	485	XSQUKJJJFZCRTK-UHFFFAOYAF	O=C(N)N	urea	57-13-6	1143	HMDB0000294	C00086	1176
uridine	535	400	606	155339	Nucleotide	Pyrimidine Metabolism, Uracil containing	4220	DRTQHJPVMGBUCF-XVFCMESIBG	OC1C(N(C=CC2=O)C(N2)=O)OC(CO)C1O	uridine	58-96-8	5807	HMDB0000296	C00299	6029
glutamate	561	400	57	155297	Amino Acid	Glutamate Metabolism	44	WHUUTDBJXJRKMK-UHFFFAOYAD	O=C(O)[C@@H](N)CCC(O)=O	glutamate	56-86-0	591	HMDB0000148	C00025,C00217	33032
glutamine	563	400	53	155293	Amino Acid	Glutamate Metabolism	45	ZDXPYRJPNDTMRX-VKHMYHEABV	OC([C@@H](N)CCC(N)=O)=O	glutamine	56-85-9	5746	HMDB0000641	C00064	5961
threonine	564	400	1284	155352	Amino Acid	Glycine, Serine and Threonine Metabolism	17	AYFVYJQAPQTCCC-GBXIJSLDBG	N[C@H](C(O)=O)[C@H](O)C	threonine	72-19-5	6051	HMDB0000167	C00188	6288
valine	566	400	1649	155438	Amino Acid	Leucine, Isoleucine and Valine Metabolism	416	KZSNJWFQEVHDMF-BYPYZUCNBW	N[C@H](C(O)=O)C(C)C	valine	72-18-4	6050	HMDB0000883	C00183	6287
betaine	799	400	3141	155487	Amino Acid	Glycine, Serine and Threonine Metabolism	7	KWIUHFFTVRNATP-UHFFFAOYAI	O=C(C[N+](C)(C)C)[O-]	betaine	107-43-7	19951173,242	HMDB0000043	C00719	247
cysteine	800	400	1868	155454	Amino Acid	Methionine, Cysteine, SAM and Taurine Metabolism	455	XUJNEKJLAYXESH-REOHCLBHBU	SC[C@H](N)C(O)=O	cysteine	56-89-3,52-90-4	5653	HMDB0000574	C00097	5862
dimethylglycine	806	400	5086	155492	Amino Acid	Glycine, Serine and Threonine Metabolism	6	FFDGPVCHZBVARC-UHFFFAOYAX	CN(C)CC(O)=O	dimethylglycine	1118-68-9	653	HMDB0000092	C03626	673
alanine	811	400	1126	155351	Amino Acid	Alanine and Aspartate Metabolism	29	QNAYBMKLOCPYGJ-REOHCLBHBS	O=C(O)[C@@H](N)C	alanine	56-41-7	5735	HMDB0000161	C00041	5950
tyrosine	815	400	1299	155353	Amino Acid	Tyrosine Metabolism	162	OUYCCCASQSFEME-QMMMGPOBBZ	N[C@@H](CC1=CC=C(O)C=C1)C(O)=O	tyrosine	60-18-4	5833	HMDB0000158	C00082	6057
caffeine	849	400	569	155325	Xenobiotics	Xanthine Metabolism	4591	RYYVLZVUVIJVGH-UHFFFAOYAW	O=C(N(C)C1=C2N(C)C=N1)N(C)C2=O	caffeine	58-08-2	2424	HMDB0001847	C07481	2519
adenine	880	400	554	155319	Nucleotide	Purine Metabolism, Adenine containing	4148	GFFGJBXGBJISGV-UHFFFAOYAT	NC1=NC=NC2=C1N=CN2	adenine	73-24-5	185	HMDB0000034	C00147	190
asparagine	917	400	512	155306	Amino Acid	Alanine and Aspartate Metabolism	40	DCXYFEDJOCDNAF-REOHCLBHBD	NC(C[C@H](N)C(O)=O)=O	asparagine	70-47-3	6031	HMDB0000168	C00152	6267
picolinate	1022	400	1512	155387	Amino Acid	Tryptophan Metabolism	282	SIOXPEMLGUPBBT-UHFFFAOYAC	O=C(O)C1=NC=CC=C1	picolinate	98-98-6	993	HMDB0002243	C10164	1018
pipecolate	1025	400	1444	155369	Amino Acid	Lysine Metabolism	131		OC(C1NCCCC1)=O	pipecolate	4043-87-2		HMDB0000070
3-ureidopropionate	1053	400	3155	155489	Nucleotide	Pyrimidine Metabolism, Uracil containing	4239	JSJWCHRYRHKBBW-UHFFFAOYAH	OC(CCNC(N)=O)=O	3-ureidopropionate	462-88-4	109	HMDB0000026	C02642	111
guanosine	1099	400	1573	155411	Nucleotide	Purine Metabolism, Guanine containing	4183	NYHBQMYGNKIUIF-UUOKFMHZBU	O=C1C(N=CN2[C@@]3([H])[C@@](O)([H])[C@@](O)([H])[C@](CO)([H])O3)=C2N=C(N)N1	guanosine	118-00-3	6544	HMDB0000133	C00387	6802
gamma-glutamyltyrosine	1102	400	2734	155471	Peptide	Gamma-glutamyl Amino Acid	646	VVLXCWVSSLFQDS-QWRGUYRKBA	OC(C=C1)=CC=C1C[C@@H](C(O)=O)NC(CC[C@@H](C(O)=O)N)=O	gamma-glutamyltyrosine	7432-23-7	85142	HMDB0011741		94340
gamma-glutamylglutamine	1140	400	2730	155470	Peptide	Gamma-glutamyl Amino Acid	635	JBFYFLXEJFQWMU-WDSKDSINBP	O=C(N)CC[C@@H](C(O)=O)NC(CC[C@@H](C(O)=O)N)=O	gamma-glutamylglutamine	10148-81-9	133013	HMDB0011738	C05283	150914
N-acetylglucosaminylasparagine	1215	400	48149	157725	Carbohydrate	Aminosugar Metabolism	1431	YTTRPBWEMMPYSW-VFFCQLMOBE	O[C@H]1[C@H](O)[C@@H](CO)O[C@@H](NC(CC(N)C(O)=O)=O)[C@@H]1NC(C)=O	N-acetylglucosaminylasparagine	2776-93-4	21403014	HMDB0000489	C04540	123826
acetoacetate	1218	400	33963	156059	Lipid	Ketone Bodies	1937	WDJHALXBUFZDSR-UHFFFAOYAH	O=C(CC(C)=O)O	acetoacetate	3483-11-2	94	HMDB0000060	C00164	96
cys-gly, oxidized	1224	400	18368	155661	Amino Acid	Glutathione Metabolism	578	KDJVKDYFFTWHBO-UHFFFAOYAK	O=C(NCC(O)=O)C(N)CSSCC(N)C(NCC(O)=O)=O	cys-gly, oxidized	7729-20-6	295316			333293
gamma-glutamylhistidine	1235	400	18245	155638	Peptide	Gamma-glutamyl Amino Acid	637	PXVCMZCJAUJLJP-YUMQZZPRBD	O=C(O)[C@@H](N)CCC(N[C@@H](CC1=CNC=N1)C(O)=O)=O	gamma-glutamylhistidine	37460-15-4	5380197	HMDB0029151		7017195
N1-methyladenosine	1242	400	15650	155564	Nucleotide	Purine Metabolism, Adenine containing	4154	QQBGTSSELNKRID-IOSLPCCCBM	N=C1C2=C(N([C@@]3([H])[C@@](O)([H])[C@@](O)([H])[C@](CO)([H])O3)C=N2)N=CN1C	1-methyladenosine	15763-06-1	4573813	HMDB0003331	C02494	27476
choline	1256	400	15506	155556	Lipid	Phospholipid Metabolism	2233	CRBHXDCYXIISFC-UHFFFAOYAW	[O-]CC[N+](C)(C)C	choline	67-48-1	149278	HMDB0000097	C00114	305
anthranilate	1258	400	4970	155491	Amino Acid	Tryptophan Metabolism	275	RWZYAGGXGHYGMB-UHFFFAOYAS	OC(C1=CC=CC=C1N)=O	anthranilate	118-92-3	222	HMDB0001123	C00108	227
3-methoxytyrosine	1342	400	12017	155509	Amino Acid	Tyrosine Metabolism	204	PFDUUKDQEHURQC-ZETCQYMHBZ	COC1=C(O)C=CC(C[C@@H](C(O)=O)N)=C1	3-methoxytyrosine	300-48-1	8948	HMDB0001434		9307
carnitine	100000007	400	15500	155554	Lipid	Carnitine Metabolism	1933	PHIQHXFUZVPYII-ZCFIWIBFBS	[O-]C(C[C@@H](O)C[N+](C)(C)C)=O	carnitine	461-05-2	10455	HMDB0000062	C00487,C00308	288
4-guanidinobutanoate	100000096	400	15681	155572	Amino Acid	Guanidino and Acetamido Metabolism	563	TUHVEAJXIMEOSA-UHFFFAOYAM	N=C(N)NCCCC(O)=O	4-guanidinobutanoate	463-003,463-00-3	486	HMDB0003464	C01035	500
2'-deoxycytidine	100000125	400	15949	155608	Nucleotide	Pyrimidine Metabolism, Cytidine containing	4263	CKTSBUTUHBMZGZ-SHYZEUOFBO	[H][C@]1([H])[C@@](O)([H])[C@](CO)([H])O[C@]1(N2C(N=C(N)C=C2)=O)[H]	2'-deoxycytidine	951-77-9	13117	HMDB0000014	C00881	13711
glycerol 3-phosphate	100000258	400	43847	157058	Lipid	Glycerolipid Metabolism	2843	AWUCVROLDVIAJX-UHFFFAOYAM	O=P(O)(OCC(CO)O)O	glycerol 3-phosphate	29849-82-9	734	HMDB0000126	C0093	754
imidazole lactate	100000263	400	15716	155583	Amino Acid	Histidine Metabolism	83	ACZFBYCNAVEFLC-YFKPBYRVBI	OC(C(O)=O)CC1=CN=CN1	imidazole lactate	14403-45-3	389128	HMDB0002320	C05568	793
kynurenine	100000265	400	15140	155539	Amino Acid	Tryptophan Metabolism	267	YGPSJZOEDVAXAB-QMMMGPOBBJ	N[C@H](C(O)=O)CC(C1=CC=CC=C1N)=O	kynurenine	2922-83-0	141580	HMDB0000684	C00328	161166
theobromine	100000445	400	18392	155668	Xenobiotics	Xanthine Metabolism	4593	YAPQBXQYLJRXSA-UHFFFAOYAW	CN1C=NC(N(C(N2)=O)C)=C1C2=O	theobromine	83-67-0	5236	HMDB0002825	C07480	5429
5-methylcytidine	100000763	400	22119	155786	Nucleotide	Pyrimidine Metabolism, Cytidine containing	4256	ZAYHVCMSTBRABG-JXOAFFINBK	O[C@H]1[C@@H](O)[C@H](N2C(N=C(N)C(C)=C2)=O)O[C@@H]1CO	5-methylcytidine	2140-61-6	83877	HMDB0000982		92918
acetylcarnitine (C2)	100000802	400	32198	155890	Lipid	Fatty Acid Metabolism (Acyl Carnitine, Short Chain)	1841	RDHQFKQIGNGIED-MRVPVSSYBU	C[N+](C)(C)C[C@H](OC(C)=O)CC([O-])=O	acetylcarnitine (C2)	5080-50-2	5406074	HMDB0000201	C02571	7045767
homoarginine	100000961	400	22137	155792	Amino Acid	Urea cycle; Arginine and Proline Metabolism	493	QUOGESRFPZDMMT-YFKPBYRVBD	N[C@H](C(O)=O)CCCCNC(N)=N	homoarginine	156-86-5	8732	HMDB0000670	C01924	9085
indoleacetate	100001034	400	27513	155821	Amino Acid	Tryptophan Metabolism	299	SEOVTRFCIGRIMH-UHFFFAOYAT	OC(CC1=CNC2=C1C=CC=C2)=O	indoleacetate	6505-45-9	780	HMDB0000197	C00954	802
isobutyrylcarnitine (C4)	100001055	400	33441	156017	Amino Acid	Leucine, Isoleucine and Valine Metabolism	426		CC(C)C(O[C@@H](CC([O-])=O)C[N+](C)(C)C)=O	isobutyrylcarnitine (C4)	25518-49-4		HMDB0000736		168379
trigonelline (N'-methylnicotinate)	100001092	400	32401	155930	Cofactors and Vitamins	Nicotinate and Nicotinamide Metabolism	4323	WWNNZCOKKKDOPX-UHFFFAOYAV	C[N+]1=CC(C([O-])=O)=CC=C1	trigonelline (N'-methylnicotinate)	535-83-1	5369	HMDB0000875	C01004	5570
glutamate, gamma-methyl ester	100001103	400	33487	156024	Amino Acid	Glutamate Metabolism	54	ZGEYCCHDTIDZAE-UHFFFAOYAN	O=C(CCC(C(O)=O)N)OC	glutamate, gamma-methyl ester	1499-55-4,1499-55-4	66546	HMDB0061715		68662
gamma-glutamylvaline	100001126	400	43829	157051	Peptide	Gamma-glutamyl Amino Acid	647	SITLTJHOQZFJGG-UUEFVBAFBQ	O=C(N[C@H]([C@@](O)=O)C(C)C)CC[C@@H]([C@](O)=O)N	gamma-glutamylvaline	2746-34-1		HMDB0011172		7015683
propionylcarnitine (C3)	100001162	400	32452	155955	Lipid	Fatty Acid Metabolism (also BCAA Metabolism)	1772	UFAHZIUFPNSHSL-UHFFFAOYAT	[O-]C(CC(OC(CC)=O)C[N+](C)(C)C)=O	propionylcarnitine (C3)	17298-37-2	96904	HMDB0000824	C03017	107738
pro-hydroxy-pro	100001167	400	35127	156146	Amino Acid	Urea cycle; Arginine and Proline Metabolism	515	ONPXCLZMBSJLSP-ALKRTJFJBT	OC([C@H]1N(C([C@H]2NCCC2)=O)CC(O)C1)=O	prolylhydroxyproline	18684-24-7	9847785	HMDB0006695		11902893
1,3-propanediol	100001175	400	45434	164212	Xenobiotics	Chemical	6080	YPFDHNVEDLHUCE-UHFFFAOYAS	OCCCO	1,3-propanediol	504-63-2	13839553		C02457	10442
1-methyl-4-imidazoleacetate	100001208	400	32350	155911	Amino Acid	Histidine Metabolism	91	ZHCKPJGJQOPTLB-UHFFFAOYAW	O=C(O)CC1=CN(C)C=N1	1-methyl-4-imidazoleacetate	2625-49-2	68319	HMDB0002820	C05828	75810
N-acetylglutamine	100001253	400	33943	156041	Amino Acid	Glutamate Metabolism	48	KSMRODHGGIIXDV-YFKPBYRVBV	OC([C@H](CCC(N)=O)NC(C)=O)=O	N-acetylglutamine	2490-97-3	158492	HMDB0006029	C02716	182230
N-acetylasparagine	100001257	400	33942	156040	Amino Acid	Alanine and Aspartate Metabolism	42	HXFOXFJUNFFYMO-BYPYZUCNBZ	OC([C@@H](NC(C)=O)CC(N)=O)=O	N-acetylasparagine	4033-40-3	90090	HMDB0006028		99715
gamma-glutamyl-epsilon-lysine	100001262	400	33934	156033	Peptide	Gamma-glutamyl Amino Acid	641	JPKNLFVGUZRHOB-YUMQZZPRBM	N[C@H](C(O)=O)CCCCNC(CC[C@@H](C(O)=O)N)=O	gamma-glutamyl-epsilon-lysine	17105-15-6	5378717	HMDB0003869		7015685
N-acetylarginine	100001266	400	33953	156051	Amino Acid	Urea cycle; Arginine and Proline Metabolism	499	SNEIUMQYRCDYCH-LURJTMIEBE	O=C(O)[C@@H](NC(C)=O)CCCNC(N)=N	N-acetylarginine	155-84-0	60752	HMDB0004620	C02562	67427
stachydrine	100001296	400	34384	156088	Xenobiotics	Food Component/Plant	5064	CMUNUTVVOOHQPW-LURJTMIEBI	C[N+]1(C)[C@H]([C@@]([O-])=O)CCC1	stachydrine	4136-37-2	103115	HMDB0004827	C10172	115244
hydroxybupropion	100001309	400	32882	155992	Xenobiotics	Drug - Psychoactive	5862	RCOBKSKAZMVBHT-NCWAPJAIBS	CC1[C@@](OCC(C)(C)N1)(O)[C@]2=CC(Cl)=CC=C2	hydroxybupropion		21403106	HMDB0012235		446
nicotinamide riboside	100001310	400	33013	155997	Cofactors and Vitamins	Nicotinate and Nicotinamide Metabolism	4308		NC(C1=C[N+](C2C(C(C(C[O-])O2)O)O)=CC=C1)=O	nicotinamide riboside	1341-23-7		HMDB0000855	C03150	439924
gamma-glutamylmethionine	100001313	400	44872	157084	Peptide	Gamma-glutamyl Amino Acid	642	RQNSKRXMANOPQY-BQBZGAKWBR	O=C(O)[C@H](CCSC)NC(CC[C@@H](C(O)=O)N)=O	gamma-glutamylmethionine	17663-87-5	5373147	HMDB0029155		7009567
gamma-glutamylthreonine	100001314	400	33364	156009	Peptide	Gamma-glutamyl Amino Acid	644	GWNXFCYUJXASDX-JUZNGCLZBW	CC(O)[C@@H](C(O)=O)NC(CC[C@@H](C(O)=O)N)=O	gamma-glutamylthreonine	5652-48-2	21403107	HMDB0029159		76078708
isovalerylcarnitine (C5)	100001393	400	34407	156109	Amino Acid	Leucine, Isoleucine and Valine Metabolism	354	IGQBPDJNUXPEMT-UHFFFAOYAB	[O-]C(CC(C[N+](C)(C)C)OC(CC(C)C)=O)=O	isovalerylcarnitine (C5)	31023-24-2	4932271	HMDB0000688	C20826	169235
7-methylxanthine	100001396	400	34390	156093	Xenobiotics	Xanthine Metabolism	4603	PFWLFWPASULGAN-UHFFFAOYAY	OC1=C(N2C)C(N=C2)=NC(O)=N1	7-methylxanthine	552-62-5	61660	HMDB0001991	C16353	68374
N1-methylinosine	100001409	400	48351	179271	Nucleotide	Purine Metabolism, (Hypo)Xanthine/Inosine containing	4127	WJNGQIYEQLPJMN-UHFFFAOYAL	OC(C1O)C(OC1CO)N(C=N2)C(N=CN3C)=C2C3=O	N1-methylinosine	20245-33-4	513976	HMDB0002721		650095
N2,N2-dimethylguanosine	100001412	400	35137	156155	Nucleotide	Purine Metabolism, Guanine containing	4193	RSPURTUNRHNVGF-IOSLPCCCBE	O=C1C(N=CN2[C@@]3([H])[C@@](O)([H])[C@@](O)([H])[C@](CO)([H])O3)=C2N=C(N(C)C)N1	N2,N2-dimethylguanosine	2140-67-2	83878	HMDB0004824		135501639
N6-carbamoylthreonyladenosine	100001415	400	35157	156161	Nucleotide	Purine Metabolism, Adenine containing	4165	GYCVHQYQICRFAX-GQFURFNTBM	OC(C)C(C(O)=O)NC(NC1=NC=NC2=C1N=CN2[C@@H]3O[C@H](CO)[C@@H](O)[C@H]3O)=O	N6-carbamoylthreonyladenosine	24719-82-2	141829	HMDB0041623		161466
cysteine-glutathione disulfide	100001437	400	35159	161190	Amino Acid	Glutathione Metabolism	573	BNRXZEPOHPEEAS-UHFFFAOYAL	NC(C(O)=O)CCC(NC(CSSCC(N)C(O)=O)C(NCC(O)=O)=O)=O	cysteine-glutathione disulfide	13081-14-6	3455404	HMDB0000656	R00900	3080690
7-methylguanine	100001456	400	35114	156140	Nucleotide	Purine Metabolism, Guanine containing	4187	FZWGECJQACGGTI-UHFFFAOYAT	O=C1C(N2C)=C(N=C2)N=C(N)N1	7-methylguanine	578-76-7	10883	HMDB0000897	C02242	135398679
3-methylcytidine	100001466	400	35132	156151	Nucleotide	Pyrimidine Metabolism, Cytidine containing	4255	BWXZYULEOLQCKN-NNRPTJCQBK	O[C@]([C@@]1(O)[H])([C@](O[C@](CO)1[H])([H])N2C=CC(N(C)C2=O)=N)[H]	3-methylcytidine	21028-20-6	9164190	HMDB0240577		14237477
gamma-glutamylisoleucine*	100001485	400	34456	156123	Peptide	Gamma-glutamyl Amino Acid	638	SNCKGJWJABDZHI-SIPWABPFBP	CCC(C)[C@@H](C(O)=O)NC(CC[C@@H](C(O)=O)N)=O	gamma-glutamylisoleucine*		21403145	HMDB0011170		22885096
gamma-glutamyl-2-aminobutyrate	100001502	400	37092	156314	Peptide	Gamma-glutamyl Amino Acid	650	FUZOZPRKGAXGOB-UHFFFAOYAE	O=C(O)C(CCC(NC(CC)C(O)=O)=O)N	gamma-glutamyl-2-aminobutyrate	16869-42-4	21403151
4-hydroxybutyrate (GHB)	100001507	400	34585	156126	Lipid	Fatty Acid, Monohydroxy	1958	SJZRECIVHVDYJC-UHFFFAOYAR	OC(CCCO)=O	4-hydroxybutyrate (GHB)	502-85-2	9984	HMDB0000710	C00989	10413
malonylcarnitine	100001526	400	37059	156288	Lipid	Fatty Acid Synthesis	1472	ZGNBLKBZJBJFDG-UHFFFAOYAY	O=C(CC(O)=O)OC(CC([O-])=O)C[N+](C)(C)C	malonylcarnitine	853728-01-5	21403153	HMDB0002095		22833583
lidocaine	100001538	400	35661	156219	Xenobiotics	Drug - Analgesics, Anesthetics	5422	NNJVILVZKWQKPM-UHFFFAOYAR	CC1=CC=CC(C)=C1NC(CN(CC)CC)=O	lidocaine	137-58-6	3548	HMDB0014426	D00358	3676
N-ethylglycinexylidide	100001539	400	33080	156000	Xenobiotics	Drug - Analgesics, Anesthetics	5423	WRMRXPASUROZGT-UHFFFAOYAO	CC1=CC=CC(C)=C1NC(CNCC)=O	N-ethylglycinexylidide	7728-40-7	22824	HMDB0060656	C16561	24415
glutamine_degradant*	100001540	400	46225	157124	Partially Characterized Molecules	Partially Characterized Molecules	6453	NPWMTBZSRRLQNJ-UHFFFAOYAH	O=C(CCC1N)NC1=O	glutamine_degradant*	2353-44-8
homostachydrine*	100001550	400	33009	155996	Xenobiotics	Food Component/Plant	4934	XULZWQRXYTVUTE-ZETCQYMHBF	C[N+]1(C)[C@@H](CCCC1)[C@]([O-])=O	homostachydrine*	1195-94-4	390180	HMDB0033433	C08283	441447
glutarylcarnitine (C5-DC)	100001593	400	44664	157075	Amino Acid	Lysine Metabolism	127	NXJAXUYOQLTISD-UHFFFAOYAA	[O-]C(CC(C[N+](C)(C)C)OC(CCCC(O)=O)=O)=O	glutarylcarnitine (C5-DC)	102636-82-8	21403175	HMDB0013130		71317118
beta-hydroxyisovaleroylcarnitine	100001594	400	35433	156184	Amino Acid	Leucine, Isoleucine and Valine Metabolism	364	IGLHHSKNBDXCEY-UHFFFAOYAG	[O-]C(CC(C[N+](C)(C)C)OC(CC(O)(C)C)=O)=O	beta-hydroxyisovaleroylcarnitine	99159-87-2	21403176
tiglylcarnitine (C5:1-DC)	100001597	400	35428	156182	Amino Acid	Leucine, Isoleucine and Valine Metabolism	400	WURBQCVBQNMUQT-RMKNXTFCBN	[O-]C(CC(C[N+](C)(C)C)OC(/C(C)=C/C)=O)=O	tiglyl carnitine (C5)	64191-86-2	17216200	HMDB0002366		22833596
N-acetyl-aspartyl-glutamate (NAAG)	100001612	400	35665	156223	Amino Acid	Glutamate Metabolism	55	OPVPGKGADVGKTG-UHFFFAOYAF	CC(NC(C(NC(CCC(O)=O)C(O)=O)=O)CC(O)=O)=O	N-acetyl-aspartyl-glutamate (NAAG)	3106-85-2	5065	HMDB0001067	C12270	188803
glycerophosphoethanolamine	100001620	400	37455	156380	Lipid	Phospholipid Metabolism	2241	JZNWSCPGTDBMEW-UHFFFAOYAI	O=P(OCCN)(O)OCC(CO)O	glycerophosphoethanolamine	33049-08-0	110410	HMDB0000114	C01233	123874
deoxycarnitine	100001662	400	36747	156251	Lipid	Carnitine Metabolism	1932	JHPNVNIEXXLNTR-UHFFFAOYAL	C[N+](C)(C)CCCC([O-])=O	deoxycarnitine	6249-56-5	705	HMDB0001161	C01181	22620
1-ribosyl-imidazoleacetate*	100001668	400	61868	218616	Amino Acid	Histidine Metabolism	96	AHPWEWASPTZMEK-UHFFFAOYAY	OCC(O1)C(O)C(O)C1N2C=NC(CC(O)=O)=C2	1-ribosyl-imidazoleacetate*	29605-99-0	4292299	HMDB0002331	C05131	440569
tryptophan betaine	100001743	400	37097	156317	Amino Acid	Tryptophan Metabolism	264	AOHCBEAZXHZMOR-ZDUSSCGKBF	O=C([O-])[C@@H]([N@+](C)(C)C)CC1=CNC2=C1C=CC=C2	tryptophan betaine	20671-76-5	390633	HMDB0061115	C09213	442106
dimethylarginine (SDMA + ADMA)	100001810	400	36808	156271	Amino Acid	Urea cycle; Arginine and Proline Metabolism	498	YDGMGEXADBMOMJ-LURJTMIEBT	N[C@@H](CCCNC(N(C)C)=N)C(O)=O	dimethylarginine (ADMA + SDMA)	102783-24-4	110375	HMDB0003334,HMDB0001539	C21189,C03626	123831,169148
cyclo(leu-pro)	100001925	400	37104	156323	Peptide	Dipeptide	762	SZJNCZMRZAUNQT-IUCAKERBBA	O=C(N[C@H]1CC(C)C)[C@H]2N(CCC2)C1=O	cyclo(leu-pro)	2873-36-1	5428292	HMDB0034276		7074739
succinylcarnitine (C4-DC)	100001948	400	37058	156287	Energy	TCA Cycle	1448		[O-]C(CC(C[N+](C)(C)C)OC(CCC(O)=O)=O)=O	succinylcarnitine (C4-DC)	256928-74-2	28639166	HMDB0061717		71464481
N-methylproline	100001956	400	37431	156358	Amino Acid	Urea cycle; Arginine and Proline Metabolism	518	CWLQUGTUXBXTLF-UHFFFAOYAJ	O=C(O)C1N(C)CCC1	N-methylproline	475-11-6	541	HMDB0094696		643474
5-methylthioribose**	100002103	400	62100	218945	Amino Acid	Methionine, Cysteine, SAM and Taurine Metabolism	447	OLVVOVIFTBSBBH-UHFFFAOYAD	OC1C(O)C(O)C(CSC)O1	5-methylthioribose**	23656-67-9	480	HMDB0001087		6419710
betonicine	100002153	400	38100	156425	Xenobiotics	Food Component/Plant	4800	MUNWAHDYFVYIKH-RITPCOANBW	O[C@H]1C[N+](C)(C)[C@H]([C@@]([O-])=O)C1	betonicine	515-25-3	144333	HMDB0029412	C08269	164642
ergothioneine	100002154	400	37459	156384	Xenobiotics	Food Component/Plant	4894	SSISHJJTAXXQAX-UHFFFAOYAO	S=C1NC(CC(C([O-])=O)[N+](C)(C)C)=CN1	ergothioneine	58511-63-0	2297320	HMDB0003045	C05570	5351619
N-acetyl-3-methylhistidine*	100002204	400	43256	156988	Amino Acid	Histidine Metabolism	75	FKTXRTPBUWLETL-UHFFFAOYAZ	O=C(O)C(NC(C)=O)CC1=CN=CN1C	N-acetyl-3-methylhistidine*	37841-04-6	19993498	HMDB0240341		193270
5-(galactosylhydroxy)-L-lysine	100002462	400	43582	208402	Amino Acid	Lysine Metabolism	120		O[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)OC1OC(CCC(N)C(O)=O)CN	5-(galactosylhydroxy)-L-lysine	32448-36-5				66995551
cysteinylglycine disulfide*	100002466	400	62103	218949	Amino Acid	Glutathione Metabolism	577	ZHRLECIZINSPKL-AKGZTFGVBW	OC(CNC(C(N)CSSC[C@@H](C(O)=O)N)=O)=O	cysteinylglycine disulfide*	70555-24-7	17215992	HMDB0000709		22833544
ranitidine	100002735	400	38595	156522	Xenobiotics	Drug - Gastrointestinal	5741	VMXUWOKSQNHOCA-UKTHLTGXBF	[O-][N+](/C=C(NC)/NCCSCC1=CC=C(CN(C)C)O1)=O	ranitidine	66357-59-3	2272523	HMDB0001930	D00422	3001055
argininate*	100002769	400	57461	211115	Amino Acid	Urea cycle; Arginine and Proline Metabolism	522	BMFMQGXDDJALKQ-BYPYZUCNBB	N=C(N)NCCC[C@H](O)C(O)=O	argininate*	157-07-3	140984	HMDB0003148		160437
2-oxoarginine*	100002784	400	55072	208196	Amino Acid	Urea cycle; Arginine and Proline Metabolism	491	ARBHXJXXVVHMET-UHFFFAOYAC	OC(C(CCC/N=C(N)/N)=O)=O	2-oxoarginine*	3715-10-4	542	HMDB0004225	C03771	558
gabapentin	100002806	400	38686	156568	Xenobiotics	Drug - Neurological	5830	UGJMXCAKCUNAIE-UHFFFAOYAG	NCC1(CCCCC1)CC(O)=O	gabapentin	60142-96-3	3328	HMDB0005015	D00332	3446
1-methyl-5-imidazoleacetate	100002910	400	62946	220814	Amino Acid	Histidine Metabolism	92	UJCGYTCAMOHYCG-UHFFFAOYAA	O=C(O)CC1=CN=CN1C	1-methyl-5-imidazoleacetate	4200-48-0	4954265	HMDB04988		6451814
S-methylcysteine sulfoxide	100002927	400	43378	211502	Amino Acid	Methionine, Cysteine, SAM and Taurine Metabolism	458	4000	NC(CS(C)=O)C(O)=O	S-methylcysteine sulfoxide	6853-87-8	74136	HMDB0029432		82142
carboxyethyl-GABA	100003260	400	40007	161438	Amino Acid	Glutamate Metabolism	58	SRGQUICKDUQCKO-UHFFFAOYAD	O=C(CCCNCCC(O)=O)O	carboxyethyl-GABA	4386-03-2	2474	HMDB0002201		2572
trimethylamine N-oxide	100003397	400	40406	156717	Lipid	Phospholipid Metabolism	2244	UYPYRKYUKCHHIB-UHFFFAOYAU	C[N+](C)([O-])C	trimethylamine N-oxide	1184-78-7	1113	HMDB0000925	C01104	1145
N6-methyllysine	100003415	400	62860	220638	Amino Acid	Lysine Metabolism	114	PQNASZJZHFPQLE-LURJTMIEBL	O=C([C@H](CCCCNC)N)O	N6-methyllysine	1188-07-4	144469	HMDB0002038	C02728	164795
equol glucuronide	100003895	400	41948	156872	Xenobiotics	Food Component/Plant	4892		OC1=CC=C(C2CC3=C(C=C(C=C3)O[C@H]4[C@@H](O)[C@@H](O)[C@H](O)C(C(O)=O)O4)OC2)C=C1	equol glucuronide					46781484
N-acetylcarnosine	100004046	400	43488	157016	Amino Acid	Histidine Metabolism	86	BKAYIFDRRZZKNF-VIFPVBQEBE	OC([C@H](CC1=CN=CN1)NC(CCNC(C)=O)=O)=O	N-acetylcarnosine	56353-15-2	8079136	HMDB0012881		9903482
dimethyl sulfone	100004284	400	43424	157011	Xenobiotics	Chemical	6153	HHVIBTZHLRERCL-UHFFFAOYAG	CS(C)(=O)=O	dimethyl sulfone	67-71-0	5978	HMDB0004983	C11142	6213
2-piperidinone	100004295	400	43400	157005	Xenobiotics	Food Component/Plant	4637	XUWHAWMETYGRKB-UHFFFAOYAE	O=C1CCCCN1	2-piperidinone	675-20-7	12144	HMDB0011749		12665
S-allylcysteine	100004509	400	43239	156985	Xenobiotics	Food Component/Plant	5045	ZFAHNWWNDFHPOH-UHFFFAOYAF	OC(C(CSCC=C)N)=O	S-allylcysteine	21593-77-1	88744	HMDB0034323		98280
2-aminoheptanoate	100004542	400	43761	157045	Lipid	Fatty Acid, Amino	1751	RDFMDVXONNIGBC-UHFFFAOYAG	OC(C(CCCCC)N([H])[H])=O	2-aminoheptanoate	1115-90-8	198338	HMDB0094649		227939
methionine sulfone	100004635	400	44878	157087	Amino Acid	Methionine, Cysteine, SAM and Taurine Metabolism	439	UCUNFLYVYCGDHP-UHFFFAOYAG	O=S(C)(CCC(N)C(O)=O)=O	methionine sulfone	820-10-0	63154	HMDB0062174		69961
fructosyllysine	100005373	400	46227	221883	Amino Acid	Lysine Metabolism	121	BFSYFTQDGRDJNV-QCNRFFRDBO	OC[C@@H](O)[C@@H](O)[C@H](O)C(CNCCCC[C@@H](N)C(O)=O)=O	fructosyllysine	21291-40-7	110281	HMDB0034879		9839580
3-methylglutarylcarnitine (2)	100005850	400	46548	157257	Amino Acid	Leucine, Isoleucine and Valine Metabolism	375	HFCPFJNSBPQJDP-UHFFFAOYAE	[O-]C(CC(C[N+](C)(C)C)OC(CC(C)CC(O)=O)=O)=O	3-methylglutarylcarnitine (2)		113619	HMDB0000552		128145
C-glycosyltryptophan	100006379	400	48782	157831	Amino Acid	Tryptophan Metabolism	261	CPXSBHKDEPPWIX-RAYCSJGIBM	N[C@H](C(O)=O)CC1=C([C@H]([C@H]([C@@H](O)[C@@H]2O)O)O[C@@H]2CO)NC3=CC=CC=C13	C-glycosyltryptophan	180509-18-6	9157171	HMDB0240296		10981970
N-acetylglucosamine/N-acetylgalactosamine	100006435	400	46539	166536	Carbohydrate	Aminosugar Metabolism	1434		O[C@@H]1[C@H]([C@@H](O[C@@H]([C@H]1O)CO)O)NC(C)=O	N-acetylglucosamine/N-acetylgalactosamine			HMDB0000212,HMDB0000215	C01074	439174,84265
adipoylcarnitine (C6-DC)	100006614	400	52988	166228	Lipid	Fatty Acid Metabolism (Acyl Carnitine, Dicarboxylate)	1908	BSVHAXJKBCWVDA-UHFFFAOYAF	[O-]C(CC(OC(CCCCC(O)=O)=O)C[N+](C)(C)C)=O	adipoylcarnitine (C6-DC)		28540385	HMDB0061677		71296139
pregabalin	100008943	400	52913	166168	Xenobiotics	Drug - Neurological	5847	AYXYPKUFHZROOJ-UHFFFAOYAW	CC(C)CC(CN)CC(O)=O	pregabalin	148553-50-8	3902475	HMDB0014375		5486971
methylsuccinoylcarnitine	100009275	400	53031	166248	Amino Acid	Leucine, Isoleucine and Valine Metabolism	411		[O-]C(CC(C[N+](C)(C)C)OC(CC(C(O)=O)C)=O)=O	methylsuccinoylcarnitine
succinylglutamine	100010853	400	55014	208462	Amino Acid	Glutamate Metabolism	66		O=C(N[C@@H](CCC(N)=O)C(O)=O)CCC(O)=O	succinylglutamine
2'-O-methylcytidine	100010895	400	57554	211532	Nucleotide	Pyrimidine Metabolism, Cytidine containing	4265	RFCQJGFZUQFYRF-ZOQUXTDFBZ	O=C1N(C=CC(N)=N1)[C@@H]([C@H](OC)[C@@H]2O)O[C@@H]2CO	2'-O-methylcytidine	2140-72-9	133067			150971
gamma-glutamyl-alpha-lysine	100010901	400	55015	208464	Peptide	Gamma-glutamyl Amino Acid	640	LNLLNTMHVMIMOG-YUMQZZPRBS	O=C(N[C@@H](CCCCN)C(O)=O)CC[C@H](N)C(O)=O	gamma-glutamyl-alpha-lysine		58747			65254
N,N,N-trimethyl-5-aminovalerate	100015962	400	57687	213101	Amino Acid	Lysine Metabolism	138	CDLVFVFTRQPQFU-UHFFFAOYAF	C[N+](C)(C)CCCCC([O-])=O	N,N,N-trimethyl-5-aminovalerate		34236878			14274897
(N(1) + N(8))-acetylspermidine	100016038	400	57814	213597	Amino Acid	Polyamine Metabolism	550		CC(NCCCNCCCCN)=O	(N(1) + N(8))-acetylspermidine			HMDB0002189,HMDB0001276	C01029,C00612	496,123689
3-hydroxystachydrine*	100020203	400	62062	218866	Xenobiotics	Food Component/Plant	5065	DJMIFDZBCUUQJN-NTSWFWBYBE	O[C@@H]1[C@H](C([O-])=O)[N+](C)(C)CC1	3-hydroxystachydrine*		391002		C10151	46173781
hydroxyasparagine**	100020205	400	62060	218876	Amino Acid	Alanine and Aspartate Metabolism	43	ZBYVTTSIVDYQSO-REOHCLBHBO	O=C(O)[C@@H](N)CC(NO)=O	hydroxyasparagine**		88149	HMDB32332	C20631	15991574
N,N,N-trimethyl-alanylproline betaine (TMAP)	100020217	400	62947	220818	Amino Acid	Urea cycle; Arginine and Proline Metabolism	519		O=C(C([N+](C)(C)C)C)N1CCCC1C([O-])=O	N,N,N-trimethyl-alanylproline betaine (TMAP)			HMDB0240365
gamma-glutamylcitrulline*	100020241	400	62104	218950	Peptide	Gamma-glutamyl Amino Acid	649		NC(C(O)=O)CCC(NC(CCCNC(N)=O)C(O)=O)=O	gamma-glutamylcitrulline*
diacetylspermidine*	100020242	400	62105	218951	Amino Acid	Polyamine Metabolism	549	SKQLBVJMDVTJMX-UHFFFAOYAM	CC(N(C(C)=O)CCCCNCCCN)=O	diacetylspermidine*		25944163	HMDB0002172	C03413	132680
3-amino-2-piperidone	100020361	400	62853	220624	Amino Acid	Urea cycle; Arginine and Proline Metabolism	489	YCCMTCQQDULIFE-UHFFFAOYAX	NC1CCCNC1=O	3-amino-2-piperidone	1892-22-4	4371576	HMDB0000323		5200225
N6,N6-dimethyllysine	100020417	400	62862	220645	Amino Acid	Lysine Metabolism	115	XXEWFEBMSGLYBY-ZETCQYMHBT	OC([C@@H](N)CCCCN(C)C)=O	N6,N6-dimethyllysine	2259-86-1	167778	HMDB0013287	C05545	193344
N-acetyl-isoputreanine	100020487	400	62309	219289	Amino Acid	Polyamine Metabolism	544		O=C(C)NCCCNCCCC(O)=O	N-acetyl-isoputreanine					131802901
N2-acetyl,N6-methyllysine	100020546	400	62954	220835	Amino Acid	Lysine Metabolism	109		OC([C@@H](NC(C)=O)CCCCNC)=O	N2-acetyl,N6-methyllysine
hydroxy-N6,N6,N6-trimethyllysine*	100021123	400	62959	220848	Amino Acid	Lysine Metabolism	117		[O-]C([C@@H](N)C(O)CCC[N+](C)(C)C)=O	hydroxy-N6,N6,N6-trimethyllysine*
N,N-dimethyl-pro-pro	100022041	400	64571	238237	Peptide	Modified Peptides	1219		O=C(N1CCCC1C([O-])=O)C2CCC[N+]2(C)C	N,N-dimethyl-pro-pro
X-10457	999910457	400	47581	157489						X-10457
X-11787	999911787	400	33132	156002						X-11787
X-11795	999911795	400	33140	156004						X-11795
X-12100	999912100	400	47687	157560						X-12100
X-12101	999912101	400	47642	157543						X-12101
X-12127	999912127	400	47702	157574						X-12127
X-12680	999912680	400	47437	157418						X-12680
X-12689	999912689	400	47719	157589						X-12689
X-13684	999913684	400	47790	157611						X-13684
X-14056	999914056	400	46632	157266						X-14056
X-16580	999916580	400	47804	157625						X-16580
X-22162	999922162	400	47417	157401						X-22162
X-23583	999923583	400	49459	161121						X-23583
X-23587	999923587	400	49463	161125						X-23587
X-23593	999923593	400	49469	161131						X-23593
X-23639	999923639	400	49515	161179						X-23639
X-23644	999923644	400	49521	161202						X-23644
X-23666	999923666	400	49543	161234						X-23666
X-23739	999923739	400	49637	161456						X-23739
X-24228	999924228	400	52265	164286						X-24228
X-24408	999924408	400	52637	165390						X-24408
X-24411	999924411	400	52640	165393						X-24411
X-24422	999924422	400	52636	165389						X-24422
X-24520	999924520	400	52841	165686						X-24520
X-24728	999924728	400	53157	166544						X-24728
X-24736	999924736	400	53172	166597						X-24736
X-25109	999925109	400	61682	217977						X-25109
X-25217	999925217	400	62403	219550						X-25217
X-25271	999925271	400	62500	219782						X-25271
X-25790	999925790	400	63560	222789						X-25790
X-25936	999925936	400	63840	223405						X-25936
X-25983	999925983	400	63973	224190						X-25983
X-26008	999926008	400	64007	233006						X-26008
METABOLITES_END
#END