../ pdb_00004n28_xyz-ext-atom_v1-2.xml.gz 15-Sep-2023 17:10 133K pdb_00004n28_xyz-no-atom_v1-2.xml.gz 15-Sep-2023 17:10 49K pdb_00004n28_xyz_v1-2.cif.gz 15-Sep-2023 17:10 291K pdb_00004n28_xyz_v1-2.xml.gz 15-Sep-2023 17:10 399K