{
  "url": "https://dantelabs.com/traits/broad-chin",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "broad-chin",
    "id": "HP:0011822",
    "name": "Broad chin",
    "definition": "Increased width of the midpoint of the mandible (mental protuberance) and overlying soft tissue.",
    "synonyms": [
      "Increased width of chin",
      "Wide chin",
      "Increased width of menton region"
    ],
    "systems": [
      {
        "slug": "abnormality-of-head-or-neck",
        "name": "Abnormality of head or neck",
        "url": "https://dantelabs.com/traits/abnormality-of-head-or-neck"
      }
    ],
    "broader": [
      {
        "slug": "abnormality-of-the-chin",
        "name": "Abnormality of the chin",
        "url": "https://dantelabs.com/traits/abnormality-of-the-chin"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "elfn1",
        "symbol": "ELFN1",
        "hgnc": "HGNC:33154",
        "name": "extracellular leucine rich repeat and fibronectin type III domain containing 1",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/elfn1"
      },
      {
        "slug": "kdm6b",
        "symbol": "KDM6B",
        "hgnc": "HGNC:29012",
        "name": "lysine demethylase 6B",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/kdm6b"
      },
      {
        "slug": "slc12a2",
        "symbol": "SLC12A2",
        "hgnc": "HGNC:10911",
        "name": "solute carrier family 12 member 2",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/slc12a2"
      },
      {
        "slug": "lmx1b",
        "symbol": "LMX1B",
        "hgnc": "HGNC:6654",
        "name": "LIM homeobox transcription factor 1 beta",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/lmx1b"
      },
      {
        "slug": "stxbp1",
        "symbol": "STXBP1",
        "hgnc": "HGNC:11444",
        "name": "syntaxin binding protein 1",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/stxbp1"
      },
      {
        "slug": "ebf3",
        "symbol": "EBF3",
        "hgnc": "HGNC:19087",
        "name": "EBF transcription factor 3",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ebf3"
      },
      {
        "slug": "gon4l",
        "symbol": "GON4L",
        "hgnc": "HGNC:25973",
        "name": "gon-4 like",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/gon4l"
      },
      {
        "slug": "kansl1",
        "symbol": "KANSL1",
        "hgnc": "HGNC:24565",
        "name": "KAT8 regulatory NSL complex subunit 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/kansl1"
      },
      {
        "slug": "borcs8",
        "symbol": "BORCS8",
        "hgnc": "HGNC:37247",
        "name": "BLOC-1 related complex subunit 8",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/borcs8"
      },
      {
        "slug": "dyrk1a",
        "symbol": "DYRK1A",
        "hgnc": "HGNC:3091",
        "name": "dual specificity tyrosine phosphorylation regulated kinase 1A",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/dyrk1a"
      },
      {
        "slug": "gtf3c3",
        "symbol": "GTF3C3",
        "hgnc": "HGNC:4666",
        "name": "general transcription factor IIIC subunit 3",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/gtf3c3"
      },
      {
        "slug": "srrm2",
        "symbol": "SRRM2",
        "hgnc": "HGNC:16639",
        "name": "serine/arginine repetitive matrix 2",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/srrm2"
      },
      {
        "slug": "steep1",
        "symbol": "STEEP1",
        "hgnc": "HGNC:26239",
        "name": "STING1 ER exit protein 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/steep1"
      },
      {
        "slug": "wac",
        "symbol": "WAC",
        "hgnc": "HGNC:17327",
        "name": "WW domain containing adaptor with coiled-coil",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/wac"
      },
      {
        "slug": "ctcf",
        "symbol": "CTCF",
        "hgnc": "HGNC:13723",
        "name": "CCCTC-binding factor",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ctcf"
      },
      {
        "slug": "taf1",
        "symbol": "TAF1",
        "hgnc": "HGNC:11535",
        "name": "TATA-box binding protein associated factor 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/taf1"
      }
    ]
  }
}