>sp|P99141|RISB_STAAN 6,7-dimethyl-8-ribityllumazine synthase OS=Staphylococcus aureus GN=ribH MNFEGKLIGKDLKVAIVVSRFNDFITGRLLEGAKDTLIRHDVNEDNIDVAFVPGAFEIPL VAKKLASSGNYDAIITLGCVIRGATSHYDYVCNEVAKGVSKVNDQTNVPVIFGILTTESI EQAVERAGTKAGNKGAEAAVSAIEMANLLKSIKA