CHEBI:58199 - L-homocysteine zwitterion

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ChEBI Name L-homocysteine zwitterion
ChEBI ID CHEBI:58199
ChEBI ASCII Name L-homocysteine zwitterion
Definition An amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of L-homocysteine; major species at pH 7.3.
Stars This entity has been manually annotated by the ChEBI Team.
Supplier Information
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Formula C4H9NO2S
Net Charge 0
Average Mass 135.18500
Monoisotopic Mass 135.035
InChI InChI=1S/C4H9NO2S/c5-3(1-2-8)4(6)7/h3,8H,1-2,5H2,(H,6,7)/t3-/m0/s1
InChIKey FFFHZYDWPBMWHY-VKHMYHEASA-N
SMILES [NH3+][C@@H](CCS)C([O-])=O
Roles Classification
Biological Role(s): fundamental metabolite
Any metabolite produced by all living cells.
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ChEBI Ontology
Outgoing L-homocysteine zwitterion (CHEBI:58199) has role fundamental metabolite (CHEBI:78675)
L-homocysteine zwitterion (CHEBI:58199) is a amino acid zwitterion (CHEBI:35238)
L-homocysteine zwitterion (CHEBI:58199) is tautomer of L-homocysteine (CHEBI:17588)
Incoming L-homocysteine (CHEBI:17588) is tautomer of L-homocysteine zwitterion (CHEBI:58199)
IUPAC Name
(2S)-2-azaniumyl-4-sulfanylbutanoate
Synonym Source
L-homocysteine UniProt
Manual Xref Database
HOMO-CYS MetaCyc
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Last Modified
22 June 2015