read coor pdb HR41_R3Cons_em_bcr3.pdb all rmsd coor heavy 4A-17A,22A-52A,54A-73A,76A-97A,100A-102A,115A-159A ave resSel_rmsd_heavy rmsd coor backbone 4A-17A,22A-52A,54A-73A,76A-97A,100A-102A,115A-159A ave resSel_rmsd_bb write selSi.pdb coor all all pdb quit