{
  "pdbcode": "4KDT",
  "heavy_residues": 129,
  "light_residues": 0,
  "antigen_residues": 128,
  "heavy_cdr_count": 38,
  "light_cdr_count": 0,
  "heavy_interface_count": 19,
  "light_interface_count": 0
}