CHEBI:64558 - methionine zwitterion

Main ChEBI Ontology Automatic Xrefs Reactions Pathways Models
ChEBI Name methionine zwitterion
ChEBI ID CHEBI:64558
Definition An amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of methionine; major species at pH 7.3.
Stars This entity has been manually annotated by the ChEBI Team.
Supplier Information
Download Molfile XML SDF
Formula C5H11NO2S
Net Charge 0
Average Mass 149.21100
Monoisotopic Mass 149.051
InChI InChI=1S/C5H11NO2S/c1-9-3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)
InChIKey FFEARJCKVFRZRR-UHFFFAOYSA-N
SMILES CSCCC([NH3+])C([O-])=O
ChEBI Ontology
Outgoing methionine zwitterion (CHEBI:64558) is a amino acid zwitterion (CHEBI:35238)
methionine zwitterion (CHEBI:64558) is tautomer of methionine (CHEBI:16811)
Incoming D-methionine zwitterion (CHEBI:57932) is a methionine zwitterion (CHEBI:64558)
L-methionine zwitterion (CHEBI:57844) is a methionine zwitterion (CHEBI:64558)
methionine (CHEBI:16811) is tautomer of methionine zwitterion (CHEBI:64558)
IUPAC Name
2-azaniumyl-4-(methylsulfanyl)butanoate
Synonyms Sources
2-ammonio-4-(methylsulfanyl)butanoate IUPAC
methionine UniProt
Last Modified
25 May 2012