read coor pdb DHR8C_NMR_em_bcr3.pdb all rmsd coor heavy 5M-27M,30M-40M,50M-62M,85M-108M,111M-120M,131M-143M ave resSel_rmsd_heavy rmsd coor backbone 5M-27M,30M-40M,50M-62M,85M-108M,111M-120M,131M-143M ave resSel_rmsd_bb write selSi.pdb coor all all pdb quit