>sp|A6QHU9|RISB_STAAE 6,7-dimethyl-8-ribityllumazine synthase OS=Staphylococcus aureus GN=ribH MNFEGKLIGKDLKVAIVVSRFNDFITGRLLEGAKDTLIRHDVNEDNIDVAFVPGAFEIPL VAKKLASSGNYDAVITLGCVIRGATSHYDYVCNEVAKGVSKVNDQTNVPVIFGILTTESI EQAVERAGTKAGNKGAEAAVSAIEMANLLKSIKA