Term Name:	thioproline zwitterion
Synonyms:	1,3-thiazolidin-3-ium-4-carboxylate, thiaproline zwitterion
Definition:	An α-amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of thioproline; major species at pH 7.3.
Ontology:	ChEBI [CHEBI:133584]  ( EBI )