CHEBI:58163 - homocystine zwitterion

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ChEBI Name homocystine zwitterion
ChEBI ID CHEBI:58163
Definition Dizwitterionic form of homocystine arising from transfer of two protons from the carboxy to the amino groups; major species at pH 7.3.
Stars This entity has been manually annotated by the ChEBI Team.
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Formula C8H16N2O4S2
Net Charge 0
Average Mass 268.356
Monoisotopic Mass 268.05515
InChI InChI=1S/C8H16N2O4S2/c9-5(7(11)12)1-3-15-16-4-2-6(10)8(13)14/h5-6H,1-4,9-10H2,(H,11,12)(H,13,14)
InChIKey ZTVZLYBCZNMWCF-UHFFFAOYSA-N
SMILES C(C(CCSSCCC(C(=O)[O-])[NH3+])[NH3+])([O-])=O
Roles Classification
Biological Role(s): human metabolite
Any mammalian metabolite produced during a metabolic reaction in humans (Homo sapiens).
View more via ChEBI Ontology
ChEBI Ontology
Outgoing homocystine zwitterion (CHEBI:58163) has role human metabolite (CHEBI:77746)
homocystine zwitterion (CHEBI:58163) is a amino acid zwitterion (CHEBI:35238)
homocystine zwitterion (CHEBI:58163) is tautomer of homocystine (CHEBI:17485)
Incoming L,L-homocystine zwitterion (CHEBI:140613) is a homocystine zwitterion (CHEBI:58163)
homocystine (CHEBI:17485) is tautomer of homocystine zwitterion (CHEBI:58163)
IUPAC Name
4,4'-disulfanediylbis(2-azaniumylbutanoate)
Synonyms Sources
4,4'-disulfanediylbis(2-ammoniobutanoate) IUPAC
homocystine dizwitterion ChEBI
Last Modified
20 August 2018