../ pdb_00004rk4_xyz-ext-atom_v1-2.xml.gz 15-Sep-2023 17:11 54K pdb_00004rk4_xyz-no-atom_v1-2.xml.gz 15-Sep-2023 17:11 27K pdb_00004rk4_xyz_v1-2.cif.gz 15-Sep-2023 17:11 131K pdb_00004rk4_xyz_v1-2.xml.gz 15-Sep-2023 17:11 180K