>sp|B4UIM2|RISB_ANASK 6,7-dimethyl-8-ribityllumazine synthase OS=Anaeromyxobacter sp. GN=ribH MNVYEGSLVGTGLKAALVVARFNSLVTEQLLVGAADALRRHGVADGDVDVFRCPGTFELP AVLRRVVATGRYDAVVALGAVIRGGTPHFEYVSAEVTKGVAHVAMEAGCAVTMGVLTCDS MEQALERAGVKAGNKGADAAAAAVEQANVLRAIARAPARKAE