read coor pdb HR5546A_NMR_em_bcr3.pdb all rmsd coor heavy 15A-32A,34A-37A,42A-47A,53A-72A,75A-79A,85A-91A,101A-106A,110A-116A ave resSel_rmsd_heavy rmsd coor backbone 15A-32A,34A-37A,42A-47A,53A-72A,75A-79A,85A-91A,101A-106A,110A-116A ave resSel_rmsd_bb write selSi.pdb coor all all pdb quit