{
  "pdbcode": "1BJ1",
  "heavy_residues": 218,
  "light_residues": 213,
  "antigen_residues": 94,
  "heavy_cdr_count": 64,
  "light_cdr_count": 60,
  "heavy_interface_count": 0,
  "light_interface_count": 0
}