>tr|A0A510N545|A0A510N545_HALSA 6,7-dimethyl-8-ribityllumazine synthase OS=Halobacterium salinarum GN=ribH MTRLGLVVAEFNRSVTERMEAAAREAAADADAAITDTVHVPGAYDSPLAADRLARRDDID AVAVVGAIVTGDTDHDHVIASATADTLTDVSLERDTPVTFGVSGPGMSGAEARERVEKGA AAVESAVSLTQEL