../ pdb_000028xa_xyz-ext-atom_v1-0.xml.gz 19-Jun-2026 15:22 64K pdb_000028xa_xyz-no-atom_v1-0.xml.gz 19-Jun-2026 15:22 84K pdb_000028xa_xyz_v1-0.cif.gz 19-Jun-2026 15:22 128K pdb_000028xa_xyz_v1-0.xml.gz 19-Jun-2026 15:22 172K