../ pdb_00004xk4_xyz-ext-atom_v1-4.xml.gz 22-Sep-2023 17:18 143K pdb_00004xk4_xyz-no-atom_v1-4.xml.gz 22-Sep-2023 17:18 40K pdb_00004xk4_xyz_v1-4.cif.gz 22-Sep-2023 17:18 320K pdb_00004xk4_xyz_v1-4.xml.gz 22-Sep-2023 17:18 442K