../ pdb_00006ck2_xyz-ext-atom_v1-4.xml.gz 29-Sep-2023 17:00 20K pdb_00006ck2_xyz-no-atom_v1-4.xml.gz 29-Sep-2023 17:00 18K pdb_00006ck2_xyz_v1-4.cif.gz 29-Sep-2023 17:00 36K pdb_00006ck2_xyz_v1-4.xml.gz 29-Sep-2023 17:00 44K