NADA_THET8 nadA Catalyzes the condensation of iminoaspartate with dihydroxyacetone phosphate to form quinolinate (By similarity). Quinolinate synthase A MGRMRGEALAQEVLRLKRERNAVILAHSYQLPEVQEVADFVGDSLGLAREAQRTRAEVIVFCGVHFMAETAAILNPEKTVLLPDLEAGCSLADSIRPEDVLAWKAKHPDGIVVAYVNTKAEVKALADVCVTSANAVEVVSRLPQDRPIYFVPDMFLGAHVARVTGRRLDLFPGECHVHAGIREEHLKALLEAHPGAEFLIHPECGCGSGCLYLKPDAKMLSTEGMVRYAKGAEAREFVVATEVGILHRLKKEAPEKAFFPVKPDAVCEYMKRITLEKVYLSLKEMRHVVRVPEEVAGRARRALEAMVAVG 310 TTHA0984