../ pdb_00002a81_xyz-ext-atom_v1-4.xml.gz 18-Aug-2023 15:49 120K pdb_00002a81_xyz-no-atom_v1-4.xml.gz 18-Aug-2023 15:49 39K pdb_00002a81_xyz_v1-4.cif.gz 18-Aug-2023 15:49 275K pdb_00002a81_xyz_v1-4.xml.gz 18-Aug-2023 15:49 381K