../ pdb_000021ob_xyz-ext-atom_v1-0.xml.gz 25-Sep-2026 19:04 72K pdb_000021ob_xyz-no-atom_v1-0.xml.gz 25-Sep-2026 19:04 30K pdb_000021ob_xyz_v1-0.cif.gz 25-Sep-2026 19:04 96K pdb_000021ob_xyz_v1-0.xml.gz 25-Sep-2026 19:04 126K