>tr|A0A0E3RYX5|A0A0E3RYX5_METMZ Quinolinate synthase OS=Methanosarcina mazei C16 GN=nadA MQQADLTKRINELKLKRNAVILSHYYSRPEVQDIADFVGDSLALSQEAVRQDADVIVFCG VHFMGESAAILSPNKTVLLPEIDATCPMADMVNVEGLKILKEKHPEAPVVSYVNSSAAIK AESYICCTSANAVEVVNSLDADEVIFVPDKNLAAYVASRTDKKIIPWEGHCPTHHQILRE DVLKMKEKHPRAEFIAHPECRPDVLELADHVASTRGMIVHAERSPAKEFIIGTECGLIHG LLKAVPEKTYYCVSEFACCPSMKMVNLEKVLTSLEKMQQRVIVPEDVRARAKEALDRMLA VKIN