>tr|A0A0E3RIB9|A0A0E3RIB9_METMZ Quinolinate synthase OS=Methanosarcina mazei S-6 GN=nadA MQQADLTKRINELKLKRNAVILSHYYSRPEVQDIADFVGDSLALSQEAVRQDADVIVFCG VHFMGESAAILSPNKTVLLPEIDATCPMADMVNVEGLKILKEKHPEAPVVSYVNSSAAIK AESYICCTSANAVEVVNSLDADEVIFVPDKNLAAYVASRTDKKIIPWEGHCPTHHQILRE DVLKMKEKHPRAEFIAHPECRPDVLELADHVASTRGMIVHAERSPAKEFIIGTECGLIHG LLKAVPEKTYYCVSEFACCPSMKMVNLEKVLTSLEKMQQRVIVPEDVRARAKEALDRMLA VKIN