CHEBI:32456 - cysteinate(1−)

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ChEBI Name cysteinate(1−)
ChEBI ID CHEBI:32456
ChEBI ASCII Name cysteinate(1-)
Definition A sulfur-containing amino-acid anion that is the conjugate base of cysteine, obtained by deprotonation of the carboxy group.
Stars This entity has been manually annotated by the ChEBI Team.
Supplier Information
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Formula C3H6NO2S
Net Charge -1
Average Mass 120.15128
Monoisotopic Mass 120.012
InChI InChI=1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/p-1
InChIKey XUJNEKJLAYXESH-UHFFFAOYSA-M
SMILES NC(CS)C([O-])=O
ChEBI Ontology
Outgoing cysteinate(1−) (CHEBI:32456) is a α-amino-acid anion (CHEBI:33558)
cysteinate(1−) (CHEBI:32456) is a sulfur-containing amino-acid anion (CHEBI:63470)
cysteinate(1−) (CHEBI:32456) is conjugate acid of cysteinate(2−) (CHEBI:32457)
cysteinate(1−) (CHEBI:32456) is conjugate base of cysteine (CHEBI:15356)
cysteinate(1−) (CHEBI:32456) is conjugate base of cysteine zwitterion (CHEBI:35237)
Incoming D-cysteinate(1−) (CHEBI:32449) is a cysteinate(1−) (CHEBI:32456)
L-cysteinate(1−) (CHEBI:32442) is a cysteinate(1−) (CHEBI:32456)
cysteine (CHEBI:15356) is conjugate acid of cysteinate(1−) (CHEBI:32456)
cysteine zwitterion (CHEBI:35237) is conjugate acid of cysteinate(1−) (CHEBI:32456)
cysteinate(2−) (CHEBI:32457) is conjugate base of cysteinate(1−) (CHEBI:32456)
IUPAC Name
hydrogen cysteinate
Synonyms Sources
2-amino-3-mercaptopropanoate ChEBI
2-amino-3-sulfanylpropanoate IUPAC
cys IUPAC
cysteinate(1−) JCBN
cysteine monoanion JCBN
Registry Numbers Types Sources
363235 Gmelin Registry Number Gmelin
4128885 Beilstein Registry Number Beilstein
4128885 Reaxys Registry Number Reaxys
Last Modified
20 July 2012