../ pdb_00004xr1_xyz-ext-atom_v1-4.xml.gz 22-Sep-2023 17:21 73K pdb_00004xr1_xyz-no-atom_v1-4.xml.gz 22-Sep-2023 17:21 34K pdb_00004xr1_xyz_v1-4.cif.gz 22-Sep-2023 17:21 180K pdb_00004xr1_xyz_v1-4.xml.gz 22-Sep-2023 17:21 238K