{
  "url": "https://dantelabs.com/traits/long-neck",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "long-neck",
    "id": "HP:0000472",
    "name": "Long neck",
    "definition": "Increased inferior-superior length of the neck.",
    "synonyms": [
      "Elongated neck",
      "Increased length of neck",
      "Cervical elongation",
      "Increased cervical length"
    ],
    "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": "abnormal-neck-morphology",
        "name": "Abnormal neck morphology",
        "url": "https://dantelabs.com/traits/abnormal-neck-morphology"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "donson",
        "symbol": "DONSON",
        "hgnc": "HGNC:2993",
        "name": "DNA replication fork stabilization factor DONSON",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/donson"
      },
      {
        "slug": "ebp",
        "symbol": "EBP",
        "hgnc": "HGNC:3133",
        "name": "EBP cholestenol delta-isomerase",
        "frequency": "obligate",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/ebp"
      },
      {
        "slug": "herc1",
        "symbol": "HERC1",
        "hgnc": "HGNC:4867",
        "name": "HECT and RLD domain containing E3 ubiquitin protein ligase family member 1",
        "frequency": "obligate",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/herc1"
      },
      {
        "slug": "rnu2-2",
        "symbol": "RNU2-2",
        "hgnc": "HGNC:10152",
        "name": "RNA, U2 small nuclear 2",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rnu2-2"
      },
      {
        "slug": "polr3a",
        "symbol": "POLR3A",
        "hgnc": "HGNC:30074",
        "name": "RNA polymerase III subunit A",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/polr3a"
      },
      {
        "slug": "gabra3",
        "symbol": "GABRA3",
        "hgnc": "HGNC:4077",
        "name": "gamma-aminobutyric acid type A receptor subunit alpha3",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/gabra3"
      },
      {
        "slug": "rnu4-2",
        "symbol": "RNU4-2",
        "hgnc": "HGNC:10193",
        "name": "RNA, U4 small nuclear 2",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rnu4-2"
      },
      {
        "slug": "atp7a",
        "symbol": "ATP7A",
        "hgnc": "HGNC:869",
        "name": "ATPase copper transporting alpha",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/atp7a"
      },
      {
        "slug": "eya1",
        "symbol": "EYA1",
        "hgnc": "HGNC:3519",
        "name": "EYA transcriptional coactivator and phosphatase 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/eya1"
      },
      {
        "slug": "flna",
        "symbol": "FLNA",
        "hgnc": "HGNC:3754",
        "name": "filamin A",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/flna"
      }
    ]
  }
}