../ pdb_000021xo_xyz-ext-atom_v1-2.xml.gz 03-Jul-2026 15:34 297K pdb_000021xo_xyz-no-atom_v1-2.xml.gz 03-Jul-2026 15:34 135K pdb_000021xo_xyz_v1-2.cif.gz 03-Jul-2026 15:34 393K pdb_000021xo_xyz_v1-2.xml.gz 03-Jul-2026 15:34 532K