../ pdb_000021du_xyz-ext-atom_v1-1.xml.gz 13-Feb-2026 17:38 181K pdb_000021du_xyz-no-atom_v1-1.xml.gz 13-Feb-2026 17:38 57K pdb_000021du_xyz_v1-1.cif.gz 13-Feb-2026 17:38 226K pdb_000021du_xyz_v1-1.xml.gz 13-Feb-2026 17:38 302K