>sp|O66529|RISB_AQUAE 6,7-dimethyl-8-ribityllumazine synthase OS=Aquifex aeolicus GN=ribH MQIYEGKLTAEGLRFGIVASRFNHALVDRLVEGAIDCIVRHGGREEDITLVRVPGSWEIP VAAGELARKEDIDAVIAIGVLIRGATPHFDYIASEVSKGLANLSLELRKPITFGVITADT LEQAIERAGTKHGNKGWEAALSAIEMANLFKSLR