>sp|B2V4J4|RISB_CLOBA 6,7-dimethyl-8-ribityllumazine synthase OS=Clostridium botulinum GN=ribH MNIFEGKLIAEGLKVGIIVGRFNEFIGSKLLDGALDGLKRHGVNLEDIDVAWVPGAFEMP LIAKKMAKSPKYDAVICLGAVIKGSTSHYDYVCSEVSKGIANVSLETGKPVMFGVLTTNN IEQAIERAGTKAGNKGYECAVGAIEMANLIKEL