{
  "url": "https://dantelabs.com/traits/subcortical-heterotopia",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "subcortical-heterotopia",
    "id": "HP:0032391",
    "name": "Subcortical heterotopia",
    "definition": "A form of heterotopia were the mislocalized gray matter is located deep within the white matter.",
    "synonyms": [],
    "systems": [
      {
        "slug": "abnormality-of-the-nervous-system",
        "name": "Abnormality of the nervous system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-nervous-system"
      }
    ],
    "broader": [
      {
        "slug": "gray-matter-heterotopia",
        "name": "Gray matter heterotopia",
        "url": "https://dantelabs.com/traits/gray-matter-heterotopia"
      }
    ],
    "narrower": [
      {
        "slug": "subcortical-band-heterotopia",
        "name": "Subcortical band heterotopia",
        "genes": 9,
        "url": "https://dantelabs.com/traits/subcortical-band-heterotopia"
      }
    ],
    "genes": [
      {
        "slug": "col4a2",
        "symbol": "COL4A2",
        "hgnc": "HGNC:2203",
        "name": "collagen type IV alpha 2 chain",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/col4a2"
      },
      {
        "slug": "snapin",
        "symbol": "SNAPIN",
        "hgnc": "HGNC:17145",
        "name": "SNAP associated protein",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/snapin"
      },
      {
        "slug": "crppa",
        "symbol": "CRPPA",
        "hgnc": "HGNC:37276",
        "name": "CDP-L-ribitol pyrophosphorylase A",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/crppa"
      }
    ]
  }
}