read coor pdb CTR107_R3_em_bcr3.pdb all rmsd coor heavy 8A-26A,31A-40A,44A-62A,70A-72A,75A-78A,81A-83A,87A-94A,96A-106A,109A-125A,130A-134A,146A-153A ave resOrd_rmsd_heavy rmsd coor backbone 8A-26A,31A-40A,44A-62A,70A-72A,75A-78A,81A-83A,87A-94A,96A-106A,109A-125A,130A-134A,146A-153A ave resOrd_rmsd_bb write best.pdb coor all all pdb quit