../ pdb_000028is_xyz-ext-atom_v1-1.xml.gz 31-Jul-2026 16:01 183K pdb_000028is_xyz-no-atom_v1-1.xml.gz 31-Jul-2026 16:01 49K pdb_000028is_xyz_v1-1.cif.gz 31-Jul-2026 16:01 407K pdb_000028is_xyz_v1-1.xml.gz 31-Jul-2026 16:01 556K