{"pdb_id": "1n4j", "method": ["X-RAY DIFFRACTION"], "title": "STREPTAVIDIN MUTANT N23A AT 2.18A", "resolution": 2.18, "ncbi_taxon_id": 1895, "deposition_date": {"$date": "2002-10-31T00:00:00Z"}, "entity_id": "1", "entity_name": "Streptavidin", "entity_type": "polypeptide(L)", "num_molecules": 1, "pdb_chain": "A", "struct_asym": "A"}
