Metabolomics Structure Database

MDLMOL SDF CSV TSV

MW REGNO:	37316
Common Name:	L-Cysteine
Systematic Name:	(2R)-2-amino-3-sulfanylpropanoic acid
RefMet Name:	Cysteine
Synonyms:	[PubChem Synonyms]
Exact Mass:	121.0198 (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-H+2K]+ [M+Na]+ [M+2Na]2+ [M-H+2Na]+ [M+Li]+ [M+2Li]2+ [M+NH4]+ [M-H]- [M-2H]2- [M-3H]3- [M-4H]4- [M+Cl]- [M+OAc]- [M+HCOO]- M(neutral)
Formula:	C3H7NO2S
InChIKey:	XUJNEKJLAYXESH-REOHCLBHSA-N
ClassyFire superclass:	Organic acids and derivatives [C0000264]
ClassyFire class:	Carboxylic acids and derivatives [C0000265]
ClassyFire subclass:	Amino acids, peptides, and analogues [C0000013]
ClassyFire direct parent:	Cysteine and derivatives [C0004313]
Massbank MS spectra:	View MS spectra
NP-MRD NMR spectra:	View NMR spectra
SMILES:	C([C@@H](C(=O)O)N)S
Studies:	Available studies (via RefMet name)

Select appropriate tab below to view additional details:

All Database Links Calculated Properties Human Pathways

External database links:

PubChem CID:	5862
CHEBI ID:	35235
HMDB ID:	HMDB0000574
KEGG ID:	C00097
Chemspider ID:	5653
METLIN ID:	5556
BMRB ID:	bmse000975
MetaCyc ID:	CYS
NP-MRD ID(NMR):	NP0000120
EPA CompTox DB:	DTXCID3026988
Plant Metabolite Hub(Pmhub):	MS000000948

Calculated physicochemical properties (?):

Heavy Atoms:	7
Rings:	0
Aromatic Rings:	0
Rotatable Bonds:	2
van der Waals Molecular volume:	104.91 Å3 molecule-1
Toplogical Polar Sufrace Area:	63.32 Å2 molecule-1
Hydrogen Bond Donors:	2
Hydrogen Bond Acceptors:	2
logP:	-0.10
Molar Refractivity:	30.47
Fraction sp3 Carbons:	0.67
sp3 Carbons:	2

Human Pathway links:

HMDB and KEGG pathways containing this metabolite

REACTOME pathways containing this metabolite

References

LIPID MAPS classification: "Update of the LIPID MAPS comprehensive classification system for lipids", Fahy E, Subramaniam S, Murphy RC, Nishijima M, Raetz CR, Shimizu T, Spener F, van Meer G, Wakelam MJ, and Dennis EA, J. Lipid Res. (2009) 50: S9-S14. DOI: 10.1194/jlr.R800095-JLR200
ClassyFire classification: "ClassyFire: automated chemical classification with a comprehensive, computable taxonomy", Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS, J. Cheminformatics (2016) 8:61. DOI: 10.1186/s13321-016-0174-y