Term Name:	S-adenosyl-L-methionine zwitterion
Synonyms:	[(3S)-3-azaniumyl-3-carboxylatopropyl](5'-deoxyadenosin-5'-yl)(methyl)sulfonium, S-adenosyl-L-methionine
Definition:	A zwitterionic tautomer of S-adenosyl-L-methionine arising from shift of the proton from the carboxy group to the amino group.
Ontology:	Chebi [CHEBI:59789]