Term Name:	cysteine
Synonyms:	2-amino-3-mercaptopropanoic acid, 2-Amino-3-mercaptopropionic acid, 2-amino-3-sulfanylpropanoic acid, C, cisteina, Cys, Cystein, Cysteine, Hcys, Zystein
Definition:	A sulfur-containing amino acid that is propanoic acid with an amino group at position 2 and a sulfanyl group at position 3.
Ontology:	ChEBI [CHEBI:15356] ( EBI )

Relationships

is a type of:	alpha-amino acid polar amino acid sulfur-containing amino acid
has subtype:	D-cysteine L-cysteine
has_part:	sulfanylmethyl group
has_role:	fundamental metabolite
inverse has_functional_parent:	cysteine derivative cysteinyl radical gammaGluCys(IAN)Glu Se-L-selenocysteine-S-L-cysteine residue
inverse is_conjugate_acid_of:	cysteinium
inverse is_conjugate_base_of:	cysteinate(1-)
inverse is_substituent_group_from:	cystein-S-yl group cysteine residue cysteino group cysteinyl group
inverse is_tautomer_of:	cysteine zwitterion
is_conjugate_acid_of:	cysteinate(1-)
is_conjugate_base_of:	cysteinium
is_tautomer_of:	cysteine zwitterion