>sp|A0JVK2|RISB_ARTS2 6,7-dimethyl-8-ribityllumazine synthase OS=Arthrobacter sp. GN=ribH MSGHGAPEIDLTTLNPAETSQLKLAIVAASWHTQIMDGLLDGALRAAKDAGISEPTVLRV PGSFELPVAAARLAKHFDAVVALGVVIRGGTPHFEYVCEAATMGLTDVSVNTGVPVGFGV LTCDTEQQGLDRAGLPGSKEDKGHEAVTAALATAVTLKQYS