{
  "url": "https://dantelabs.com/traits/hyperconvex-nail",
  "trait": {
    "bundleId": "2026.10.16-c6eea6bf",
    "release": "2026-09-01",
    "slug": "hyperconvex-nail",
    "id": "HP:0001795",
    "name": "Increased nail curvature",
    "label": "Hyperconvex nail",
    "definition": "When viewed on end (with the digit tip pointing toward the examiner's eye) the curve of the nail forms a tighter curve of convexity.",
    "synonyms": [
      "Nail overcurvature"
    ],
    "systems": [
      {
        "slug": "abnormality-of-the-integument",
        "name": "Abnormality of the integument",
        "url": "https://dantelabs.com/traits/abnormality-of-the-integument"
      }
    ],
    "broader": [
      {
        "slug": "nail-dysplasia",
        "name": "Atypical nail growth",
        "url": "https://dantelabs.com/traits/nail-dysplasia"
      }
    ],
    "narrower": [
      {
        "slug": "hyperconvex-fingernails",
        "name": "Hyperconvex fingernails",
        "genes": 9,
        "url": "https://dantelabs.com/traits/hyperconvex-fingernails"
      },
      {
        "slug": "hyperconvex-thumb-nails",
        "name": "Tightly curved thumb nail",
        "genes": 1,
        "url": "https://dantelabs.com/traits/hyperconvex-thumb-nails"
      }
    ],
    "genes": [
      {
        "slug": "ece1",
        "symbol": "ECE1",
        "hgnc": "HGNC:3146",
        "name": "endothelin converting enzyme 1",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ece1"
      },
      {
        "slug": "gins3",
        "symbol": "GINS3",
        "hgnc": "HGNC:25851",
        "name": "GINS complex subunit 3",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/gins3"
      },
      {
        "slug": "gtpbp2",
        "symbol": "GTPBP2",
        "hgnc": "HGNC:4670",
        "name": "GTP binding protein 2",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/gtpbp2"
      },
      {
        "slug": "pomp",
        "symbol": "POMP",
        "hgnc": "HGNC:20330",
        "name": "proteasome maturation protein",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/pomp"
      },
      {
        "slug": "hpgd",
        "symbol": "HPGD",
        "hgnc": "HGNC:5154",
        "name": "15-hydroxyprostaglandin dehydrogenase",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/hpgd"
      },
      {
        "slug": "rnu4atac",
        "symbol": "RNU4ATAC",
        "hgnc": "HGNC:34016",
        "name": "RNA, U4atac small nuclear",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rnu4atac"
      },
      {
        "slug": "h3-3b",
        "symbol": "H3-3B",
        "hgnc": "HGNC:4765",
        "name": "H3.3 histone B",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/h3-3b"
      },
      {
        "slug": "sin3a",
        "symbol": "SIN3A",
        "hgnc": "HGNC:19353",
        "name": "SIN3 transcription regulator family member A",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/sin3a"
      },
      {
        "slug": "tcf4",
        "symbol": "TCF4",
        "hgnc": "HGNC:11634",
        "name": "transcription factor 4",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tcf4"
      },
      {
        "slug": "arx",
        "symbol": "ARX",
        "hgnc": "HGNC:18060",
        "name": "aristaless related homeobox",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/arx"
      },
      {
        "slug": "orc1",
        "symbol": "ORC1",
        "hgnc": "HGNC:8487",
        "name": "origin recognition complex subunit 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/orc1"
      },
      {
        "slug": "pigv",
        "symbol": "PIGV",
        "hgnc": "HGNC:26031",
        "name": "phosphatidylinositol glycan anchor biosynthesis class V",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/pigv"
      },
      {
        "slug": "setbp1",
        "symbol": "SETBP1",
        "hgnc": "HGNC:15573",
        "name": "SET binding protein 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/setbp1"
      },
      {
        "slug": "tp63",
        "symbol": "TP63",
        "hgnc": "HGNC:15979",
        "name": "tumor protein p63",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tp63"
      }
    ]
  }
}