../ pdb_000021kr_xyz-ext-atom_v1-0.xml.gz 29-May-2026 15:01 441K pdb_000021kr_xyz-no-atom_v1-0.xml.gz 29-May-2026 15:01 106K pdb_000021kr_xyz_v1-0.cif.gz 29-May-2026 15:01 514K pdb_000021kr_xyz_v1-0.xml.gz 29-May-2026 15:01 699K