>sp|C4Z8N0|RISB_AGARV 6,7-dimethyl-8-ribityllumazine synthase OS=Agathobacter rectalis GN=ribH MNVIEGKMTQDGIKVGIVVARFNEFITSKLLGGAKDGLVRHDVPEENIDVAWVPGAFEIP LIAKKMAKSRKYDAIICLGAVIRGATSHYDYVCNEVSKGIASVSLESEIPVMFGVVTTEN IEQAIERAGTKAGNKGYDCALGAIEMINLVRQIG