{
  "url": "https://dantelabs.com/traits/melanonychia",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "melanonychia",
    "id": "HP:0100644",
    "name": "Melanonychia",
    "definition": "Dark discoloration of a fingernail or toenail (brown, black, bluish and reddish).",
    "synonyms": [
      "Dark discoloration of nail"
    ],
    "systems": [
      {
        "slug": "abnormality-of-the-integument",
        "name": "Abnormality of the integument",
        "url": "https://dantelabs.com/traits/abnormality-of-the-integument"
      }
    ],
    "broader": [
      {
        "slug": "abnormality-of-nail-color",
        "name": "Abnormality of nail color",
        "url": "https://dantelabs.com/traits/abnormality-of-nail-color"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "kif11",
        "symbol": "KIF11",
        "hgnc": "HGNC:6388",
        "name": "kinesin family member 11",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/kif11"
      },
      {
        "slug": "stk11",
        "symbol": "STK11",
        "hgnc": "HGNC:11389",
        "name": "serine/threonine kinase 11",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/stk11"
      }
    ]
  }
}