The molecule is the zwitterion resulting from the transfer of a proton from the carboxy group to the beta-amino group of 3-amino-L-alanine; major species at pH 7.3. It is a conjugate base of a 3-ammonio-L-alanine(1+). It is a tautomer of a 3-amino-L-alanine.
(2S)-2-amino-3-azaniumylpropanoate