Term Name:	S-adenosyl-S-carboxymethyl-L-homocysteine dizwitterion
Synonyms:	carboxy-S-adenosyl-L-methionine, carboxy-SAM, Cx-SAM, S-adenosyl-S-carboxymethyl-L-homocystein
Definition:	A sulfonium betaine obtained by deprotonation of the carboxy groups and protonation of the amino group of S-adenosyl-S-carboxymethyl-L-homocysteine. Major microspecies at pH 7.3
Ontology:	ChEBI [CHEBI:134278]  ( EBI )