../ pdb_00002na4_xyz-ext-atom_v1-3.xml.gz 10-May-2024 15:49 630K pdb_00002na4_xyz-no-atom_v1-3.xml.gz 10-May-2024 15:49 17K pdb_00002na4_xyz_v1-3.cif.gz 10-May-2024 15:49 656K pdb_00002na4_xyz_v1-3.xml.gz 10-May-2024 15:49 882K