../ pdb_00004z21_xyz-ext-atom_v1-1.xml.gz 03-Nov-2023 17:25 38K pdb_00004z21_xyz-no-atom_v1-1.xml.gz 03-Nov-2023 17:25 19K pdb_00004z21_xyz_v1-1.cif.gz 03-Nov-2023 17:25 56K pdb_00004z21_xyz_v1-1.xml.gz 03-Nov-2023 17:25 70K