>sp|A4FBK5|RISB_SACEN 6,7-dimethyl-8-ribityllumazine synthase OS=Saccharopolyspora erythraea GN=ribH MSGEGRPQASVPQAGELRLGIAAIRWHAKITDRLLERALAAASEAGVAEPTVVRVPGSIE LPVVCQQLAHQHDAVVALGVVIRGGTPHFEYVCDSVTAGLTRVSLDESTPVGNGVLTCDT EEQALARAGFEDSAEDKGFEATAAALETALVLRELRGFENGRGFL