>sp|D2RES5|RIBL_ARCPA FAD synthase OS=Archaeoglobus profundus GN=ribL MVRVVATGTFDIIHPGHIRFLEEAKKLGDELIVIVAREKNVRHKPKPIIPEEQRVRVVSA LKPVDKAILGDEHDIFKPIMELKPDIIALGYDQHFDEKKLEEELRKRGLNTRVVRIKAKE ECEYCSSTKIIKRIVDVVKSRLQEYEEFFRSRGML