>sp|A7FXC4|RISB_CLOB1 6,7-dimethyl-8-ribityllumazine synthase OS=Clostridium botulinum GN=ribH MKIYEGRLTAEGLKVGIIVSRFNEFITSKLLAGSIDCLKRHGAKEDNIEVCWVPGAFEIP VIAKKMASKGKYDAVICLGAVIRGATPHFDYVSSEVSKGVAHVSLDKEVPVIFGVLTTDT IEQAIERAGTKAGNKGYDAAMSAIEMSNLMKVLD