{
  "name": "af3-na-plus-rna-dna-example",
  "chains": [
    {
      "chain_id": "R",
      "polymer_type": "RNA",
      "sequence": "GGGAGGACGUGCCCU"
    },
    {
      "chain_id": "D",
      "polymer_type": "DNA",
      "sequence": "ACGTACGT"
    }
  ],
  "authorized_chain_pairs": [
    ["R", "R"],
    ["D", "D"],
    ["R", "D"]
  ]
}