>sp|Q979C2|RIBL_THEVO FAD synthase OS=Thermoplasma volcanium GN=ribL MIRVMATGVFDILHLGHIHYLKESKKLGDELVVVVARDSTARNNGKIPIFDENSRLALIS ELKVVDRAILGHEGDMMKTVIEVKPDIITLGYDQKFDEAELQSKINKLGITVKIVRISKY DGQLNSSSSVRKKIMELIGERY