Term Name:	L-cysteine
Synonyms:	(2R)-2-amino-3-mercaptopropanoic acid, (2R)-2-amino-3-sulfanylpropanoic acid, (R)-2-amino-3-mercaptopropanoic acid, C, Cys, CYSTEINE, E 920, E-920, E920, FREE CYSTEINE, L-2-Amino-3-mercaptopropionic acid, L-Cystein, L-Cysteine, L-Zystein
Definition:	An optically active form of cysteine having L-configuration.
Ontology:	ChEBI [CHEBI:17561] ( EBI )

Relationships

is a type of:	cysteine L-alpha-amino acid proteinogenic amino acid serine family amino acid
has_role:	EC 4.3.1.3 (histidine ammonia-lyase) inhibitor flour treatment agent human metabolite
inverse has_functional_parent:	Ala-Cys Ala-Cys-Gly Arg-Lys-Cys-Gly Arg-Phe-Phe-Cys Arg-Thr-Cys-Cys Asn-Trp-Cys-His Asp-Met-Met-Cys benzylpenicilloyl-cysteine Cys-Arg Cys-Asp-Gly Cys-Cys Cys-Cys-His-His Cys-Gln-Gln Cys-Met-Gln Cys-Met-Met-Met Cys-Met-Phe-His Cys-Met-Thr-Tyr Cys-Phe-Phe-Gly Cys-Pro Cys-Ser DON-10-S-cysteine DON-13-S-cysteine Gln-Cys-Cys Glu-Cys Glu-Cys-Cys L-cysteine derivative L-cysteinyl radical L-gamma-glutamyl-L-cysteine Leu-Cys methyl L-cysteinate N(alpha)-(L-gamma-glutamyl)-hercynyl-L-cysteine sulfoxide Phe-Asp-Cys Pro-Cys Tyr-Cys
inverse is_conjugate_acid_of:	L-cysteinium
inverse is_conjugate_base_of:	L-cysteinate(1-)
inverse is_enantiomer_of:	D-cysteine
inverse is_substituent_group_from:	L-cystein-S-yl group L-cysteine residue L-cysteino group L-cysteinyl group
inverse is_tautomer_of:	L-cysteine zwitterion
is_conjugate_acid_of:	L-cysteinate(1-)
is_conjugate_base_of:	L-cysteinium
is_enantiomer_of:	D-cysteine
is_tautomer_of:	L-cysteine zwitterion