read coor pdb MBR242E_NMR_em_bcr3.pdb all rmsd coor heavy 7M-22M,26M-65M,68M-101M,125M-140M,144M-218M ave resSel_rmsd_heavy rmsd coor backbone 7M-22M,26M-65M,68M-101M,125M-140M,144M-218M ave resSel_rmsd_bb write selSi.pdb coor all all pdb quit