../ pdb_000021dh_xyz-ext-atom_v1-0.xml.gz 13-Mar-2026 16:59 498K pdb_000021dh_xyz-no-atom_v1-0.xml.gz 13-Mar-2026 16:59 81K pdb_000021dh_xyz_v1-0.cif.gz 13-Mar-2026 16:59 1M pdb_000021dh_xyz_v1-0.xml.gz 13-Mar-2026 16:59 1M