read coor pdb OR8C_R3Cons_em_bcr3.pdb all rmsd coor heavy 5A-80A,86A-119A,129A-133A ave resOrd_rmsd_heavy rmsd coor backbone 5A-80A,86A-119A,129A-133A ave resOrd_rmsd_bb write best.pdb coor all all pdb quit