../ pdb_000020ys_xyz-ext-atom_v1-3.xml.gz 27-Mar-2026 15:44 672K pdb_000020ys_xyz-no-atom_v1-3.xml.gz 27-Mar-2026 15:44 108K pdb_000020ys_xyz_v1-3.cif.gz 27-Mar-2026 15:44 760K pdb_000020ys_xyz_v1-3.xml.gz 27-Mar-2026 15:44 1M