read coor pdb SPR104_NMR_em_bcr3.pdb all rmsd coor heavy 8M-21M,25M-34M,40M-46M,57M-73M,100M-113M,117M-126M,132M-139M,149M-165M ave resSel_rmsd_heavy rmsd coor backbone 8M-21M,25M-34M,40M-46M,57M-73M,100M-113M,117M-126M,132M-139M,149M-165M ave resSel_rmsd_bb write selSi.pdb coor all all pdb quit