RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet ID	RM0153922
RefMet name	2-Oxo-4-methylthiobutanoic acid
Alternative name	FA 6:2;O
Systematic name	2-oxo-4-methylthio-butanoic acid
Synonyms	PubChem Synonyms
Exact mass	148.019417 (neutral)	Calculate m/z: (Choose adduct) [M+H]+ [M+H-H2O]+ [M.]+ [M+2H]2+ [M+3H]3+ [M+4H]4+ [M+K]+ [M+2K]2+ [M+2K-H]+ [M+Na]+ [M+2Na]2+ [M+2Na-H]+ [M+Li]+ [M+2Li]2+ [M+NH4]+ [M.CH3]+ [M+Ag]+ [M+H+CH3OH]+ [M+H+CH3CN]+ [M+H+2CH3CN]+ [M+Na+CH3CN]+ [M.NaFormate+H]+ [M.NH4Formate+H]+ [M.TMSi]+ [M.tBuDMSi]+ [M+H-Hexose]+ [M+H-EtnP]+ [M+H-SerP]+ [M-H]- [M-H-H2O]- [M-CH3]- [M-2H]2- [M-3H]3- [M-4H]4- [M+Cl]- [M+OAc]- [M+Na-2H]- [M+K-2H]- [M.Formate]- [M.NaFormate-H]- [M.NH4Formate-H]- [M.F]- [M-H-Ser]- [M.HF2]- M(neutral)    View other RefMet entries with this exact (neutral) mass:   +/- 0.05 amu   +/- 0.1 amu   +/- 0.2 amu   +/- 0.5 amu
Formula	C5H8O3S	View other entries in RefMet with this formula
Molecular descriptors
Molfile	1652 (Download molfile/View MW Metabolite Database details)
InChI	InChI=1S/C5H8O3S/c1-9-3-2-4(6)5(7)8/h2-3H2,1H3,(H,7,8)
InChIKey	SXFSQZDSUWACKX-UHFFFAOYSA-N	View other enantiomers/diastereomers of this metabolite in RefMet
SMILES	CSCCC(=O)C(=O)O Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super Class	Fatty Acyls
Main Class	Fatty acids
Sub Class	Oxo FA
Distribution of 2-Oxo-4-methylthiobutanoic acid in NMDR studies
Species	Plot Species distribution
Sample source	Plot Sample source(tissue) distribution
Platform	Platform (MS/NMR) used for detection
Chromatography	Chromatography methods used for detection
Studies	NMDR Studies reporting 2-Oxo-4-methylthiobutanoic acid
External Links
Pubchem CID	473
LIPID MAPS	LMFA01060170
ChEBI ID	33574
KEGG ID	C01180
HMDB ID	HMDB0001553
Chemspider ID	460
MetaCyc ID	CPD-479
Structural annotation level
Annotation level	1   (1:Known structure; 2:Known regiochemistry; 3:Partial structure; 4:Sum-composition)

Table of KEGG reactions in human pathways involving 2-Oxo-4-methylthiobutanoic acid

Rxn ID	KEGG Reaction	Enzyme
R00648	L-Methionine + H2O + Oxygen <=> 4-Methylthio-2-oxobutanoic acid + Ammonia + Hydrogen peroxide	L-Methionine:oxygen oxidoreductase (deaminating)
R07364	1,2-Dihydroxy-5-(methylthio)pent-1-en-3-one + Oxygen <=> 4-Methylthio-2-oxobutanoic acid + Formate	1,2-dihydroxy-5-(methylthio)pent-1-en-3-one:oxygen oxidoreductase (formate-forming)
R07396	4-Methylthio-2-oxobutanoic acid + L-Glutamate <=> L-Methionine + 2-Oxoglutarate	4-Methylthio-2-oxobutanoic acid + L-Glutamate <=> L-Methionine + 2-Oxoglutarate
R12055	L-Methionine + Indolepyruvate <=> 4-Methylthio-2-oxobutanoic acid + L-Tryptophan	L-methionine:indole-3-pyruvic acid aminotransferase

Table of KEGG human pathways containing 2-Oxo-4-methylthiobutanoic acid

Pathway ID	Human Pathway	# of reactions
hsa00270	Cysteine and methionine metabolism	3
hsa01100	Metabolic pathways	1