>sp|B3EHV0|RISB_CHLL2 6,7-dimethyl-8-ribityllumazine synthase OS=Chlorobium limicola GN=ribH MQIKQIEGSLSAKDIRFALVVSRFNDFIGQKLVEGAIDCILRHGGSEEQITVYRCPGAFE LPMVAKKVAMSGSADAVIALGVIIRGSTPHFDVIAAEATKGIAQVSLDTMIPVSFGVLTT ENLEQAIERAGTKAGNKGFDAAMTAMEMVNLYRQF