>sp|B2VAC3|RISB_SULSY 6,7-dimethyl-8-ribityllumazine synthase OS=Sulfurihydrogenibium sp. GN=ribH MNIVEGKLSAEGLKFGIVVGRFNSFITERLLEGAIDCILRHGGSKENIEIVKVPGSFEIP LTAKKLAKSGKYDAVICLGAVIRGSTPHFDYVANEVTKGIAQVSLETEVPIGYGILTTDT IEQAVERAGTKMGNKGFDAAMVAIEMANVLKSIG