CHEBI:17230 - homocysteine

Main ChEBI Ontology Automatic Xrefs Reactions Pathways Models
ChEBI Name homocysteine
ChEBI ID CHEBI:17230
Definition A sulfur-containing amino acid consisting of a glycine core with a 2-mercaptoethyl side-chain.
Stars This entity has been manually annotated by the ChEBI Team.
Secondary ChEBI IDs CHEBI:5751, CHEBI:14408
Supplier Information
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Roles Classification
Chemical Role(s): Bronsted base
A molecular entity capable of accepting a hydron from a donor (Bronsted acid).
(via organic amino compound )
Bronsted acid
A molecular entity capable of donating a hydron to an acceptor (Bronsted base).
(via oxoacid )
Biological Role(s): fundamental metabolite
Any metabolite produced by all living cells.
Related Structures
homocysteine is a Functional Parent of
homocysteine derivative
Definition : A non-proteinogenic amino acid derivative resulting from reaction of homocysteine at the amino group, the carboxy group, or the side-chain amino group, or from the replacement of any hydrogen of homocysteine by a heteroatom. The definition normally excludes peptides containing homocysteine residues.
 homocysteic acid
Mass : 183.184
Formula : C4H9NO5S
90324
homocysteine is a Structural Derivative of
ammonia
Mass : 17.03056
Formula : H3N
16134
homocysteine is a Conjugate Acid of
homocysteinate
Mass : 134.17700
Formula : C4H8NO2S
66952
homocysteine is a Tautomer of
homocysteine zwitterion
Mass : 135.18500
Formula : C4H9NO2S
58065
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