>sp|A3PZ89|RISB_MYCSJ 6,7-dimethyl-8-ribityllumazine synthase OS=Mycobacterium sp. GN=ribH MSGGAGVPDLPQIDASGMKVGIVASTWHSTICDALLDGALKVTESANVSEPTVVRVLGAI EIPVVAQALAADHEAVIALGVVIRGQTPHFDYVCDAVTQGLTRVSLDASTPVANGVLTTN TEEQALDRAGLPGSAEDKGAQAAAAALSTALTLQGLRGRS