read coor pdb SSR10_R3_em_bcr3.pdb all rmsd coor heavy 6A-45A,47A-56A,63A-70A,73A-91A,100A-122A ave resSel_rmsd_heavy rmsd coor backbone 6A-45A,47A-56A,63A-70A,73A-91A,100A-122A ave resSel_rmsd_bb write selSi.pdb coor all all pdb quit