Term Name:	4-amino-L-phenylalanine zwitterion
Synonyms:	(2S)-3-(4-aminophenyl)-2-azaniumylpropanoate, 4-amino-L-phenylalanine, PAPA, para-amino-L-phenylalanine
Definition:	An amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of 4-amino-L-phenylalanine; major species at pH 7.3.
Ontology:	ChEBI [CHEBI:143072]  ( EBI )