{
  "dataset": {
    "id": "ab1001",
    "name": "VHH72 dSSM — paratope × epitope, SARS-CoV-1 RBD",
    "experiment": "Deep site-saturation mutagenesis of the VHH72 paratope (>600 mutations, >30 positions) crossed against a SARS-CoV-1 RBD epitope library (>2,000 mutations, >100 positions), yielding >1M protein-protein interactions for local affinity landscape mapping.",
    "details": "- Paratope coverage: >600 mutations across >30 paratope positions\n- Epitope coverage: >2,000 mutations across >100 epitope positions\n- Scale: >1,000,000 protein–protein interactions (PPIs)\n- Suitable for: affinity regressors, affinity optimization, exploring antigen sensitivity to a VHH\n",
    "modes": [
      {
        "name": "source",
        "file_type": "csv.gz"
      },
      {
        "name": "ml",
        "file_type": "csv.gz"
      }
    ],
    "release_date": "2026-05-25",
    "version": "1",
    "status": "published",
    "locked": true,
    "coming_soon": false,
    "url": "https://atlas.aalphabio.com/dataset/ab1001",
    "structure_count": 0,
    "tasks": [
      "optimization",
      "affinity prediction"
    ],
    "binder": "VHH",
    "target": [
      "COVID",
      "natural proteins",
      "viral"
    ],
    "product": "atlas-vhh",
    "product_display_name": "Atlas-VHH Consortium",
    "product_kind": "consortium",
    "source": "VHH Q2 2026",
    "a_size": 655,
    "alpha_size": 2344,
    "total_ppi_count": 1718344,
    "unique_ppi_count": 1535320,
    "density": 0.52,
    "tags": [
      "cross-reactivity",
      "dSSM",
      "optimization",
      "VHH72"
    ],
    "has_tutorial": false
  }
}