../ pdb_00004n68_xyz-ext-atom_v1-1.xml.gz 15-Sep-2023 17:08 20K pdb_00004n68_xyz-no-atom_v1-1.xml.gz 15-Sep-2023 17:08 20K pdb_00004n68_xyz_v1-1.cif.gz 15-Sep-2023 17:08 56K pdb_00004n68_xyz_v1-1.xml.gz 15-Sep-2023 17:08 73K