Term Name:	Ala-Pro zwitterion
Synonyms:	(2S)-1-[(2S)-2-azaniumylpropanoyl]pyrrolidine-2-carboxylate, alanylproline zwitterion, AP zwitterion, L-Ala-L-Pro zwitterion, L-alanyl-L-proline zwitterion
Definition:	A peptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of Ala-Pro.
Ontology:	ChEBI [CHEBI:155848]  ( EBI )