SMILES: CSCCCCCCCC[C@@H](C(=O)[O-])[NH3+]
Description: The molecule is an L-polyhomomethionine zwitterion obtained by transfer of a proton from the carboxy to the amino group of L-hexahomomethionine; major species at pH 7.3. It is a L-polyhomomethionine zwitterion and a hexahomomethionine zwitterion.