>1f9n_C mol:protein length:149 ARGININE REPRESSOR/ACTIVATOR PROTEIN MNKGQRHIKIREIITSNEIETQDELVDMLKQDGYKVTQATVSRDIKELHLVKVPTNNGS YKYSLPADQRFNPLSKLKRALMDAFVKIDSASHMIVLKTMPGNAQAIGALMDNLDWDEM MGTICGDDTILIICRTPEDTEGVKNRLLELL