>sp|A1R5R8|RISB_PAEAT 6,7-dimethyl-8-ribityllumazine synthase OS=Paenarthrobacter aurescens GN=ribH MSGHGAPTIDLTTLNPEEASQLKLAIVAASWHTQIMDGLVDGALRAAKEAGIAEPTLLRV PGSFELPVAAARLAPHFDAVVALGVVIRGGTPHFDYVCQAATSGLTDVSVRTGVPVGFGV LTCDTEQQGIDRAGLPGSKEDKGHEAVTAALATAVTLKQFS