../ pdb_00007q21_xyz-ext-atom_v1-2.xml.gz 08-Nov-2024 21:14 1M pdb_00007q21_xyz-no-atom_v1-2.xml.gz 08-Nov-2024 21:14 183K pdb_00007q21_xyz_v1-2.cif.gz 08-Nov-2024 21:14 1M pdb_00007q21_xyz_v1-2.xml.gz 08-Nov-2024 21:14 2M