>sp|B9LSN4|RIBL_HALLT FAD synthase OS=Halorubrum lacusprofundi GN=ribL MTRVVAQGTFDLLHPGHVHYLEDAATYGDELHAIVARRTNVTHKPAPILCAEQRRDMVAA LTAVDEAHLGHPEDVFVPIQRLDPDVIVLGFDQHHDEADIAAALAERGIDCRVERASGRD PRYEDELLSSGDIVDRILKQRGSDCDGAREGQR