../ pdb_000021zy_xyz-ext-atom_v1-1.xml.gz 22-May-2026 15:41 95K pdb_000021zy_xyz-no-atom_v1-1.xml.gz 22-May-2026 15:41 31K pdb_000021zy_xyz_v1-1.cif.gz 22-May-2026 15:41 119K pdb_000021zy_xyz_v1-1.xml.gz 22-May-2026 15:41 159K