[
  {
    "name": "atom_scaffold_demo",
    "ref_file": "./examples/protein_design/atom_scaffold/M0129_1os7.pdb",
    "chains": [
    {
        "chain_type": "proteinChain",
        "sequence": "1-70,A/1-1,1-70,B/1-1,1-70,C/1-1,1-70,D/1-1,1-180",
        "length": 180
    },
    {
        "chain_type": "ligand",
        "sequence": "Z/1-1"
    },
    {
        "chain_type": "ligand",
        "sequence": "Z/2-2"
    },
    {
        "chain_type": "ligand",
        "sequence": "Z/3-3"
    }
    ],
    "condition_atom": {
    "A/1": ["NE2","CD2","CE1"],
    "B/1": ["OD1","CG","CB","OD2"],
    "C/1": ["NE2","CD2","CE1","CG","ND1"],
    "D/1": ["NH1","CZ"]
    },
    "hotspot": "A/1,B/1,C/1,D/1,Z/1,Z/2,Z/3",
    "center_method": "hotspot_center"
  }
]