read coor pdb BER31_R3_em_bcr3.pdb all rmsd coor heavy 14A-16A,21A-24A,27A-37A,40A-44A,46A-63A,89A-95A,100A-146A ave resOrd_rmsd_heavy rmsd coor backbone 14A-16A,21A-24A,27A-37A,40A-44A,46A-63A,89A-95A,100A-146A ave resOrd_rmsd_bb write best.pdb coor all all pdb quit