>sp|Q6G005|RISB_BARQU 6,7-dimethyl-8-ribityllumazine synthase OS=Bartonella quintana GN=ribH MTKEIHKKLHVLIVEARFYDGISDALLKGAVRTLQKAGASYDIVTVPGALEIPGAIAFAE KNSKVFYNGYVALGCVIRGETYHFEIVANDSCRALMDLTVHKHLAIGNGILTVEDEKQAW VRANQDEKNKGGFAAEAALCMIALKKRFGDNH