>sp|B4SJC0|RISB_STRM5 6,7-dimethyl-8-ribityllumazine synthase OS=Stenotrophomonas maltophilia GN=ribH MSHYEGDLRTPESARFAILASRWNARITDTLVAGARQSLAGNGIAEANIDVIRVPGAWEL PLVAARLAAAHEHAAILTLGCVIRGDTRHYEHVADRCAEGLMRVQLDFGVPVLNGVLAVE RAEDAEARAGGSHGNKGEEVALAALEMVNLLEQLP