The molecule is a tricarboxylic acid dianion that is obtained from gamma-carboxy-L-glutamic acid by removal of a proton from each of the carboxy groups and protonation of the amino group; the resulting entity has an overall charge of 2-. It is an ammonium ion derivative and a tricarboxylic acid dianion. It is a conjugate base of a gamma-carboxy-L-glutamic acid zwitterion. It is a conjugate acid of a gamma-carboxy-L-glutamate(3-).
(3S)-3-azaniumylpropane-1,1,3-tricarboxylate