../ pdb_000021tt_xyz-ext-atom_v1-0.xml.gz 09-Oct-2026 16:09 636K pdb_000021tt_xyz-no-atom_v1-0.xml.gz 09-Oct-2026 16:09 126K pdb_000021tt_xyz_v1-0.cif.gz 09-Oct-2026 16:09 709K pdb_000021tt_xyz_v1-0.xml.gz 09-Oct-2026 16:09 988K