{
  "url": "https://dantelabs.com/traits/xanthinuria",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "xanthinuria",
    "id": "HP:0010934",
    "name": "Xanthinuria",
    "definition": "An increased concentration of xanthine in the urine.",
    "synonyms": [
      "Increased urinary xanthine"
    ],
    "systems": [
      {
        "slug": "abnormality-of-metabolism-homeostasis",
        "name": "Laboratory abnormality",
        "url": "https://dantelabs.com/traits/abnormality-of-metabolism-homeostasis"
      },
      {
        "slug": "abnormality-of-the-genitourinary-system",
        "name": "Abnormality of the genitourinary system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-genitourinary-system"
      }
    ],
    "broader": [
      {
        "slug": "abnormal-urine-metabolite-level",
        "name": "Abnormal urine metabolite level",
        "url": "https://dantelabs.com/traits/abnormal-urine-metabolite-level"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "mocos",
        "symbol": "MOCOS",
        "hgnc": "HGNC:18234",
        "name": "molybdenum cofactor sulfurase",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mocos"
      },
      {
        "slug": "mocs3",
        "symbol": "MOCS3",
        "hgnc": "HGNC:15765",
        "name": "molybdenum cofactor synthesis 3",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mocs3"
      },
      {
        "slug": "mocs1",
        "symbol": "MOCS1",
        "hgnc": "HGNC:7190",
        "name": "molybdenum cofactor synthesis 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mocs1"
      },
      {
        "slug": "mocs2",
        "symbol": "MOCS2",
        "hgnc": "HGNC:7193",
        "name": "molybdenum cofactor synthesis 2",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mocs2"
      },
      {
        "slug": "xdh",
        "symbol": "XDH",
        "hgnc": "HGNC:12805",
        "name": "xanthine dehydrogenase",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/xdh"
      }
    ]
  }
}