../ pdb_00004pkn_xyz-ext-atom_v1-4.xml.gz 07-Aug-2026 19:54 1M pdb_00004pkn_xyz-no-atom_v1-4.xml.gz 07-Aug-2026 19:54 223K pdb_00004pkn_xyz_v1-4.cif.gz 07-Aug-2026 19:54 3M pdb_00004pkn_xyz_v1-4.xml.gz 07-Aug-2026 19:54 4M