{
  "pdbcode": "7A3O",
  "heavy_residues": 127,
  "light_residues": 110,
  "antigen_residues": 377,
  "heavy_cdr_count": 38,
  "light_cdr_count": 31,
  "heavy_interface_count": 4,
  "light_interface_count": 3
}