CHEBI:45658 - S-methylcysteine

ChEBI IDCHEBI:45658
ChEBI NameS-methylcysteine
Stars
ASCII NameS-methylcysteine
DefinitionA cysteine derivative that is L-cysteine in which the hydrogen attached to the sulfur is replaced by a methyl group.
Secondary ChEBI IDsCHEBI:22056, CHEBI:45655, CHEBI:90363
Last Modified25 November 2019
Submittermwilliams
DownloadsMolfile
FormulaC4H9NO2S
Net Charge0
Average Mass135.188
Monoisotopic Mass135.03540
SMILESCSC[C@H](N)C(=O)O
InChIInChI=1S/C4H9NO2S/c1-8-2-3(5)4(6)7/h3H,2,5H2,1H3,(H,6,7)/t3-/m0/s1
InChIKeyIDIDJDIHTAOVLG-VKHMYHEASA-N
Species of MetaboliteComponentSourceComments
Homo sapiens (ncbitaxon:9606)
blood (UBERON:0000178) PubMed (508804)
- MetaboLights (MTBLS222)
Allium sativum (ncbitaxon:4682) - PubMed (25650289)
Allium cepa (ncbitaxon:4679) - PubMed (25650289)
Roles Classification
Chemical Roles:
Bronsted base  A molecular entity capable of accepting a hydron from a donor (Brønsted acid).
Bronsted acid  A molecular entity capable of donating a hydron to an acceptor (Brønsted base).
Biological Roles:
plant metabolite  Any eukaryotic metabolite produced during a metabolic reaction in plants, the kingdom that include flowering plants, conifers and other gymnosperms.
human urinary metabolite  Any metabolite (endogenous or exogenous) found in human urine samples.
ChEBI Ontology
Outgoing Relation(s)
S-methylcysteine (CHEBI:45658) has role human urinary metabolite (CHEBI:84087)
S-methylcysteine (CHEBI:45658) has role plant metabolite (CHEBI:76924)
S-methylcysteine (CHEBI:45658) is a S-alkyl-L-cysteine (CHEBI:47915)
S-methylcysteine (CHEBI:45658) is tautomer of S-methylcysteine zwitterion (CHEBI:133545)
Incoming Relation(s)
S-methylcysteine zwitterion (CHEBI:133545) is tautomer of S-methylcysteine (CHEBI:45658)
IUPAC Name 
S-methyl-L-cysteine
Synonyms  Source
(R)-2-amino-3-(methylthio)propanoic acidChEBI
S-methyl-L-cysteinePDBeChem
S-METHYLCYSTEINEPDBeChem
(2R)-2-amino-3-(methylsulfanyl)propanoic acidIUPAC
3-(Methylthio)-L-alanineHMDB
L-MethylcysteineHMDB
Manual XrefsDatabases
SMCPDBeChem
HMDB0002108HMDB
S-METHYL-L-CYSTEINEMetaCyc
DB02216DrugBank
Registry NumbersSources
Reaxys:1721675Reaxys
CAS:1187-84-4ChemIDplus
Citations