../ pdb_00002na1_xyz-ext-atom_v1-4.xml.gz 10-May-2024 15:49 457K pdb_00002na1_xyz-no-atom_v1-4.xml.gz 10-May-2024 15:49 20K pdb_00002na1_xyz_v1-4.cif.gz 10-May-2024 15:49 478K pdb_00002na1_xyz_v1-4.xml.gz 10-May-2024 15:49 638K