../ pdb_000021zh_xyz-ext-atom_v1-0.xml.gz 19-Jun-2026 15:22 103K pdb_000021zh_xyz-no-atom_v1-0.xml.gz 19-Jun-2026 15:22 44K pdb_000021zh_xyz_v1-0.cif.gz 19-Jun-2026 15:22 139K pdb_000021zh_xyz_v1-0.xml.gz 19-Jun-2026 15:22 189K