CHEBI:33574 - 4-methylthio-2-oxobutanoic acid

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ChEBI Name 4-methylthio-2-oxobutanoic acid
ChEBI ID CHEBI:33574
Definition A 2-oxo monocarboxylic acid derived from L-methionine via the action of methionine transaminase.
Stars This entity has been manually annotated by the ChEBI Team.
Secondary ChEBI IDs CHEBI:43720, CHEBI:1902, CHEBI:22458
Supplier Information
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Formula C5H8O3S
Net Charge 0
Average Mass 148.18122
Monoisotopic Mass 148.019
InChI InChI=1S/C5H8O3S/c1-9-3-2-4(6)5(7)8/h2-3H2,1H3,(H,7,8)
InChIKey SXFSQZDSUWACKX-UHFFFAOYSA-N
SMILES CSCCC(=O)C(O)=O
Roles Classification
Chemical Role(s): Bronsted acid
A molecular entity capable of donating a hydron to an acceptor (Bronsted base).
(via oxoacid )
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ChEBI Ontology
Outgoing 4-methylthio-2-oxobutanoic acid (CHEBI:33574) has functional parent L-methionine (CHEBI:16643)
4-methylthio-2-oxobutanoic acid (CHEBI:33574) has functional parent butyric acid (CHEBI:30772)
4-methylthio-2-oxobutanoic acid (CHEBI:33574) is a ω-(methylthio)-2-oxocarboxylic acid (CHEBI:134529)
4-methylthio-2-oxobutanoic acid (CHEBI:33574) is conjugate acid of 4-methylthio-2-oxobutanoate (CHEBI:16723)
Incoming S-adenosyl-4-methylthio-2-oxobutanoic acid (CHEBI:8944) has functional parent 4-methylthio-2-oxobutanoic acid (CHEBI:33574)
4-methylthio-2-oxobutanoate (CHEBI:16723) is conjugate base of 4-methylthio-2-oxobutanoic acid (CHEBI:33574)
IUPAC Name
4-(methylsulfanyl)-2-oxobutanoic acid
Synonyms Sources
2-keto-4-methylthiobutyric acid ChemIDplus
2-Keto-4-methylthiobutyric acid KEGG COMPOUND
2-Oxo-4-methylthiobutanoate KEGG COMPOUND
2-oxomethionine ChEBI
4-(METHYLSULFANYL)-2-OXOBUTANOIC ACID PDBeChem
4-Methylthio-2-oxobutanoate KEGG COMPOUND
4-methylthio-2-oxobutanoic acid ChemIDplus
4-Methylthio-2-oxobutanoic acid KEGG COMPOUND
α-oxo-γ-methylthiobutyric acid ChemIDplus
Database Links Databases
C00007474 KNApSAcK
C01180 KEGG COMPOUND
DB02238 DrugBank
KMT PDBeChem
LMFA01060170 LIPID MAPS
View more database links
Registry Numbers Types Sources
1754666 Beilstein Registry Number Beilstein
583-92-6 CAS Registry Number ChemIDplus
Last Modified
14 February 2017