>sp|Q972D1|NADA_SULTO Quinolinate synthase OS=Sulfurisphaera tokodaii GN=nadA MELIKEIKNLKRNKNAIILGHNYMEYGVQLVSDFTGDSYDLAVKAMKTNADIIVFAGVYF MAEQAAALNPDKKVLSPDPNAGCSLSDSLDVDTLKKYKEMYPNAPVVLYINTSIYTKALA DYIVTSSTAIKVVKSLDADTIIFGPDANLANYVERKTGKRLVKVPPNGRCIVHANYTRQL VELARKKYPNAILMAHPESPLEILEASDFVGSTNQMIKFAKESPYKEFIVATELGMINAL KLQVPEKTFYPLVTTEAYACARCPYMAMITLEKIKRSLEEEIYEVKVPKDIAERAKEAFE RTMRLLNN