The molecule is a sulfonium compound that is S-adenosyl-L-methionine in which one of the methyl hydrogens has been replaced by a carboxy group. It has a role as an Escherichia coli metabolite. It is a sulfonium compound and an organic cation. It derives from a S-adenosyl-L-methionine. It is a conjugate acid of a S-adenosyl-S-carboxymethyl-L-homocysteine dizwitterion.
[(3S)-3-amino-3-carboxypropyl]-[[(2S,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methyl]-(carboxymethyl)sulfanium