>sp|A1VRD9|RISB_POLNA 6,7-dimethyl-8-ribityllumazine synthase OS=Polaromonas naphthalenivorans GN=ribH MFDADKGWSDQLDGKKLSIGIVQARFNEGITNALAEACLRELAALGVDAKNITHLKVPGA LEVPCALQALAESENFDALIALGCIIRGETYHFELVANESGSAVTRLALDYQLPIANAIL TVENLAQAQARQEEKGRDAARVAVEMANLLYTLA