>sp|Q9REF4|RISB_BARHE 6,7-dimethyl-8-ribityllumazine synthase OS=Bartonella henselae GN=ribH MTIEICKKLHVLIVEARFYDGISDALLTGAVSTLQKAEATYDIVTVPGALEIPGAIAFAE KNSKIYYDGYVALGCVIRGETYHFEIVANDSCRALMDLTIHKHLAIGNGILTVENEKQAW ARAKQDEKNKGGFAAQAALCMIALKKRFGEIIKYG