>1b4a_B mol:protein length:149 ARGININE REPRESSOR LNKGQRHIKIREIIMSNDIETQDELVDRLREAGFNVTQATVSRDIKEMQLVKVPMANGR YKYSLPSDQRFNPLQKLKRALVDVFIKLDGTGNLLVLRTLPGNAHAIGVLLDNLDWDEI VGTICGDDTCLIICRTPKDAKKVSNQLLSML