./1ecd.pdb 1ecd {ALL}
./2hhba.pdb 2hhba {chain A}
./2hhbb.pdb 2hhbb {chain B}
./1lh1.pdb 1lh1 {ALL}
./2lhb.pdb 2lhd {ALL}
./4mbn.pdb 4mbn {ALL}