>sp|Q255Z6|RISB_CHLFF 6,7-dimethyl-8-ribityllumazine synthase OS=Chlamydia felis GN=ribH MKILKGTASARGMRVAIVGACFNGPIADALVSGAQQTFLDLGGSEDMLTVVRVPGSFEIP CTLKKLLSSGMEYHAIVACGVLIKGETSHYDLIADQVAARVSELSVEYGLPITFSVITAP SVDSAWQRAGIKGSHLGVSGMETALEMANLFEKL