>sp|A1WVG1|RISB_HALHL 6,7-dimethyl-8-ribityllumazine synthase OS=Halorhodospira halophila GN=ribH MQVTEGQLVALQDARFALVAARFNDLIVDRLIDGAADTLRRHGVPEEHLELIRVPGSFEL PLAVQRVADAGRADAVIALGAVIRGGTDHHQYVAAECTKGVAQAMMGSGVPVSYGVLTVE TVEQAIERAGTKAGNKGAEAALSALEMVDLMRQLEA