../ pdb_00003n20_xyz-ext-atom_v1-2.xml.gz 01-Sep-2023 16:40 179K pdb_00003n20_xyz-no-atom_v1-2.xml.gz 01-Sep-2023 16:40 47K pdb_00003n20_xyz_v1-2.cif.gz 01-Sep-2023 16:40 210K pdb_00003n20_xyz_v1-2.xml.gz 01-Sep-2023 16:40 284K