carboxylic acid anion gamma-carboxy-L-glutamic acid zwitterion(2-) -2 189.02843 189.123 UHBYWPGGCSDKFX-VKHMYHEASA-L (3S)-3-ammonio-1,1,3-propanetricarboxylate (3S)-3-ammoniopropane-1,1,3-tricarboxylate C6H7NO6 [NH3+][C@@H](CC(C(=O)[O-])C(=O)[O-])C(=O)[O-] InChI=1S/C6H9NO6/c7-3(6(12)13)1-2(4(8)9)5(10)11/h2-3H,1,7H2,(H,8,9)(H,10,11)(H,12,13)/p-2/t3-/m0/s1 A tricarboxylic acid dianion that is obtained from γ-carboxy-<small>L</small>-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−. (3S)-3-ammoniopropane-1,1,3-tricarboxylate gamma-carboxy-L-glutamate chebi_ontology CHEBI:61938 gamma-carboxyglutamate