{
  "pdbcode": "4NZU",
  "heavy_residues": 223,
  "light_residues": 211,
  "antigen_residues": 0,
  "heavy_cdr_count": 66,
  "light_cdr_count": 60,
  "heavy_interface_count": 0,
  "light_interface_count": 0
}