../ pdb_00003n81_xyz-ext-atom_v1-4.xml.gz 01-Sep-2023 16:40 762K pdb_00003n81_xyz-no-atom_v1-4.xml.gz 01-Sep-2023 16:40 136K pdb_00003n81_xyz_v1-4.cif.gz 01-Sep-2023 16:40 828K pdb_00003n81_xyz_v1-4.xml.gz 01-Sep-2023 16:40 1M