Term Name:	Phe-His zwitterion
Synonyms:	(2S)-2-{[(2S)-2-azaniumyl-3-phenylpropanoyl]amino}-3-(1H-imidazol-5-yl)propanoate, F-H zwitterion, L-Phe-L-His zwitterion, phenylalanylhistidine zwitterion
Definition:	A dipeptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of Phe-His. Major species at pH 7.3.
Ontology:	ChEBI [CHEBI:147377]  ( EBI )