../ pdb_000028xa_xyz-ext-atom_v1-2.xml.gz 31-Jul-2026 16:01 64K pdb_000028xa_xyz-no-atom_v1-2.xml.gz 31-Jul-2026 16:01 84K pdb_000028xa_xyz_v1-2.cif.gz 31-Jul-2026 16:01 129K pdb_000028xa_xyz_v1-2.xml.gz 31-Jul-2026 16:01 173K