read coor pdb MBR242E_R3Cons_em_bcr3.pdb all rmsd coor heavy 7M-22M,26M-65M,68M-101M,125M-140M,144M-183M,186M-219M ave resOrd_rmsd_heavy rmsd coor backbone 7M-22M,26M-65M,68M-101M,125M-140M,144M-183M,186M-219M ave resOrd_rmsd_bb write best.pdb coor all all pdb quit