The molecule is a tricarboxylic acid dianion obtained by deprotonation of the three carboxy groups and protonation of the secondary amino group of N-[(2S)-2-amino-2-carboxyethyl]-L-glutamic acid. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.). It is a conjugate base of a N-[(2S)-2-amino-2-carboxyethyl]-L-glutamic acid.
(2S)-2-[[(2S)-2-amino-2-carboxylatoethyl]azaniumyl]pentanedioate