../ pdb_00003v21_xyz-ext-atom_v1-2.xml.gz 08-Sep-2023 16:25 502K pdb_00003v21_xyz-no-atom_v1-2.xml.gz 08-Sep-2023 16:25 88K pdb_00003v21_xyz_v1-2.cif.gz 08-Sep-2023 16:25 557K pdb_00003v21_xyz_v1-2.xml.gz 08-Sep-2023 16:25 754K