../ pdb_00004nxn_xyz-ext-atom_v1-2.xml.gz 14-Feb-2025 16:27 1M pdb_00004nxn_xyz-no-atom_v1-2.xml.gz 14-Feb-2025 16:27 289K pdb_00004nxn_xyz_v1-2.cif.gz 14-Feb-2025 16:27 3M pdb_00004nxn_xyz_v1-2.xml.gz 14-Feb-2025 16:27 3M