../ pdb_00004znn_xyz-ext-atom_v1-7.xml.gz 27-Feb-2026 17:24 1985 pdb_00004znn_xyz-no-atom_v1-7.xml.gz 27-Feb-2026 17:24 10K pdb_00004znn_xyz_v1-7.cif.gz 27-Feb-2026 17:24 12K pdb_00004znn_xyz_v1-7.xml.gz 27-Feb-2026 17:24 13K