../ pdb_000021cn_xyz-ext-atom_v1-2.xml.gz 22-May-2026 15:41 151K pdb_000021cn_xyz-no-atom_v1-2.xml.gz 22-May-2026 15:41 74K pdb_000021cn_xyz_v1-2.cif.gz 22-May-2026 15:41 212K pdb_000021cn_xyz_v1-2.xml.gz 22-May-2026 15:41 274K