>sp|Q1B9D5|RISB_MYCSS 6,7-dimethyl-8-ribityllumazine synthase OS=Mycobacterium sp. GN=ribH MSGGAGVPDLPQIDASGMKVGIVASTWHSTICDALLDGALKVTESANVSEPTVVRVLGAI EIPVVAQALAADHEAVIALGVVIRGQTPHFDYVCDAVTQGLTRVSLDASTPVANGVLTTN TEEQALDRAGLPGSAEDKGAQAAAAALSTALTLQGLRGRS