{
  "url": "https://dantelabs.com/nl/genes/kcnj2",
  "gene": {
    "slug": "kcnj2",
    "symbol": "KCNJ2",
    "name": "potassium inwardly rectifying channel subfamily J member 2",
    "hgnc": "HGNC:6263",
    "summary": null,
    "location": "17q24.3",
    "locusType": "gene with protein product",
    "aliases": [
      "Kir2.1",
      "IRK1",
      "LQT7"
    ],
    "previousSymbols": [],
    "ensemblId": "ENSG00000123700",
    "entrezId": 3759,
    "omim": [
      "600681"
    ],
    "uniprot": [
      "P63252"
    ],
    "model": {
      "build": "GRCh38",
      "release": "v1.5",
      "chrom": "17",
      "start": 70169532,
      "end": 70180044,
      "strand": "+",
      "ensemblTranscript": "ENST00000243457.4",
      "refseqTranscript": "NM_000891.3",
      "ensemblProtein": "ENSP00000243457.2",
      "refseqProtein": "NP_000882.1",
      "exons": [
        {
          "start": 70169532,
          "end": 70169701
        },
        {
          "start": 70174824,
          "end": 70180044
        }
      ],
      "cds": {
        "start": 70175040,
        "end": 70176323
      }
    },
    "grch37": {
      "build": "GRCh37",
      "release": "87",
      "chrom": "17",
      "start": 68164814,
      "end": 68176189,
      "strand": "+"
    },
    "neighbourhood": {
      "release": "116",
      "start": 69674788,
      "end": 70674787,
      "genes": [
        {
          "symbol": "KCNJ16",
          "ensemblId": "ENSG00000153822",
          "biotype": "protein_coding",
          "start": 70053429,
          "end": 70135608,
          "strand": "+",
          "slug": "kcnj16"
        }
      ],
      "truncated": false
    },
    "reports": [
      {
        "slug": "familial-atrial-fibrillation",
        "name": "Familiaire atriumfibrillatie",
        "diseases": [
          {
            "mondoId": "MONDO:0018054",
            "name": "Familiaire atriumfibrillatie",
            "genes": 4,
            "inheritance": "autosomal-dominant",
            "description": "Atriumfibrillatie die in families voorkomt en samenhangt met veranderingen in genen zoals KCNQ1, KCNJ2, GJA5, MYL4, NPPA en SCN5A.",
            "management": "Door hiervan op de hoogte te zijn, kunnen familieleden eerder een ECG laten maken en kan tijdig worden besproken hoe een beroerte kan worden voorkomen.",
            "evidence": {
              "gencc": [
                "PanelApp Australia"
              ],
              "acmgSf": false,
              "inheritance": [
                "autosomal-dominant"
              ]
            },
            "sameAsReport": true,
            "broad": false
          }
        ],
        "url": "https://dantelabs.com/nl/conditions/familial-atrial-fibrillation"
      },
      {
        "slug": "familial-periodic-paralysis",
        "name": "Familiale periodieke verlamming",
        "diseases": [
          {
            "mondoId": "MONDO:0016122",
            "name": "Periodieke verlamming",
            "genes": 3,
            "inheritance": "autosomal-dominant",
            "description": "Redactionele opmerking: in ORDO als genetisch geclassificeerd, maar hier behandelen we dit als neutraal",
            "management": null,
            "evidence": {
              "gencc": [
                "G2P",
                "Genomics England PanelApp",
                "Labcorp Genetics (formerly Invitae)",
                "PanelApp Australia"
              ],
              "acmgSf": false,
              "inheritance": [
                "autosomal-dominant"
              ]
            },
            "sameAsReport": false,
            "broad": false
          }
        ],
        "url": "https://dantelabs.com/nl/conditions/familial-periodic-paralysis"
      },
      {
        "slug": "long-qt-syndrome",
        "name": "Long-QT-syndroom",
        "diseases": [
          {
            "mondoId": "MONDO:0002442",
            "name": "Long-QT-syndroom",
            "genes": 10,
            "inheritance": null,
            "description": "Een stoornis in de hartrepolarisatie, gekenmerkt door een verlengd QT-interval en een risico op gevaarlijke ventriculaire ritmestoornissen zoals torsades de pointes.",
            "management": "Bètablokkers, plaatsing van een ICD, beperking van lichamelijke activiteit, erfelijkheidsadvies",
            "evidence": {
              "gencc": [
                "G2P",
                "Genomics England PanelApp",
                "Labcorp Genetics (formerly Invitae)",
                "PanelApp Australia"
              ],
              "acmgSf": false,
              "inheritance": [
                "autosomal-dominant"
              ]
            },
            "sameAsReport": true,
            "broad": false
          }
        ],
        "url": "https://dantelabs.com/nl/conditions/long-qt-syndrome"
      },
      {
        "slug": "short-qt-syndrome",
        "name": "Short-QT-syndroom",
        "diseases": [
          {
            "mondoId": "MONDO:0000453",
            "name": "Short-QT-syndroom",
            "genes": 4,
            "inheritance": "autosomal-dominant",
            "description": "Een erfelijke aandoening van het elektrische geleidingssysteem van het hart, die bestaat uit een combinatie van kenmerken en symptomen: een kort QT-interval op een ECG (< 300 ms) dat niet significant verandert met de hartfrequentie, hoge en gepunte T-golven, en een structureel normaal hart. Het short-QT-syndroom lijkt autosomaal dominant overgeërfd te worden; er zijn al enkele getroffen families vastgesteld.",
            "management": null,
            "evidence": {
              "gencc": [
                "Labcorp Genetics (formerly Invitae)",
                "PanelApp Australia"
              ],
              "clingen": "Moderate",
              "acmgSf": false,
              "inheritance": [
                "autosomal-dominant"
              ]
            },
            "sameAsReport": true,
            "broad": false
          }
        ],
        "url": "https://dantelabs.com/nl/conditions/short-qt-syndrome"
      }
    ],
    "pharmacogenomics": [],
    "traits": [],
    "phenotypes": [
      {
        "slug": "abnormality-of-the-dentition",
        "name": "Abnormal dentition",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/abnormality-of-the-dentition"
      },
      {
        "slug": "abnormal-facial-shape",
        "name": "Abnormal facial shape",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/abnormal-facial-shape"
      },
      {
        "slug": "renal-tubular-dysfunction",
        "name": "Abnormal function of filtrating structures in kidney",
        "systems": [
          "abnormality-of-the-genitourinary-system"
        ],
        "frequency": "very-rare",
        "url": "https://dantelabs.com/traits/renal-tubular-dysfunction"
      },
      {
        "slug": "abnormal-t-wave",
        "name": "Abnormal T-wave",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/abnormal-t-wave"
      },
      {
        "slug": "abnormality-of-dental-color",
        "name": "Abnormality of dental color",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/abnormality-of-dental-color"
      },
      {
        "slug": "microcephaly",
        "name": "Abnormally small head",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system",
          "abnormality-of-the-nervous-system"
        ],
        "url": "https://dantelabs.com/traits/microcephaly"
      },
      {
        "slug": "antegonial-notching-of-mandible",
        "name": "Antegonial notching of mandible",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/antegonial-notching-of-mandible"
      },
      {
        "slug": "bidirectional-ventricular-ectopy",
        "name": "Bidirectional ventricular ectopy",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/bidirectional-ventricular-ectopy"
      },
      {
        "slug": "dyspnea",
        "name": "Breathing difficulty",
        "systems": [
          "abnormality-of-the-respiratory-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/dyspnea"
      },
      {
        "slug": "broad-forehead",
        "name": "Broad forehead",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/broad-forehead"
      },
      {
        "slug": "bulbous-nose",
        "name": "Bulbous nose",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/bulbous-nose"
      },
      {
        "slug": "chest-pain",
        "name": "Chest pain",
        "systems": [
          "constitutional-symptom"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/chest-pain"
      },
      {
        "slug": "cleft-palate",
        "name": "Cleft palate",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "url": "https://dantelabs.com/traits/cleft-palate"
      },
      {
        "slug": "clinodactyly-of-the-5th-toe",
        "name": "Clinodactyly of the 5th toe",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/clinodactyly-of-the-5th-toe"
      },
      {
        "slug": "clinodactyly-of-the-5th-finger",
        "name": "Curvature of little finger",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/clinodactyly-of-the-5th-finger"
      },
      {
        "slug": "exercise-intolerance",
        "name": "Decreased ability to exercise",
        "systems": [
          "constitutional-symptom"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/exercise-intolerance"
      },
      {
        "slug": "hypoplasia-of-the-maxilla",
        "name": "Decreased size of maxilla",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/hypoplasia-of-the-maxilla"
      },
      {
        "slug": "delayed-skeletal-maturation",
        "name": "Delayed bone maturation",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/delayed-skeletal-maturation"
      },
      {
        "slug": "delayed-eruption-of-permanent-teeth",
        "name": "Delayed eruption of permanent teeth",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "url": "https://dantelabs.com/traits/delayed-eruption-of-permanent-teeth"
      },
      {
        "slug": "persistence-of-primary-teeth",
        "name": "Delayed loss of baby teeth",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/persistence-of-primary-teeth"
      },
      {
        "slug": "dental-crowding",
        "name": "Dental crowding",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/dental-crowding"
      },
      {
        "slug": "depression",
        "name": "Depression",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "url": "https://dantelabs.com/traits/depression"
      },
      {
        "slug": "vertigo",
        "name": "Dizziness",
        "systems": [
          "abnormality-of-the-ear"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/vertigo"
      },
      {
        "slug": "joint-hypermobility",
        "name": "Double-Jointed",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/joint-hypermobility"
      },
      {
        "slug": "increased-circulating-aldosterone-concentration",
        "name": "Elevated plasma aldosterone",
        "systems": [
          "abnormality-of-the-endocrine-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/increased-circulating-aldosterone-concentration"
      },
      {
        "slug": "seizure",
        "name": "Epilepsy",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/seizure"
      },
      {
        "slug": "episodic-flaccid-weakness",
        "name": "Episodic flaccid weakness",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/episodic-flaccid-weakness"
      },
      {
        "slug": "premature-ventricular-contraction",
        "name": "Extra heart beat",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/premature-ventricular-contraction"
      },
      {
        "slug": "facial-asymmetry",
        "name": "Facial asymmetry",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/facial-asymmetry"
      },
      {
        "slug": "oligodontia",
        "name": "Failure of development of more than six teeth",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/oligodontia"
      },
      {
        "slug": "syncope",
        "name": "Fainting spell",
        "systems": [
          "abnormality-of-the-cardiovascular-system",
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/syncope"
      },
      {
        "slug": "fatigue",
        "name": "Fatigue",
        "systems": [
          "constitutional-symptom"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/fatigue"
      },
      {
        "slug": "toe-syndactyly",
        "name": "Fused toes",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/toe-syndactyly"
      },
      {
        "slug": "growth-abnormality",
        "name": "Growth abnormality",
        "systems": [],
        "url": "https://dantelabs.com/traits/growth-abnormality"
      },
      {
        "slug": "growth-delay",
        "name": "Growth delay",
        "systems": [
          "growth-abnormality"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/growth-delay"
      },
      {
        "slug": "myocardial-infarction",
        "name": "Heart attack",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/myocardial-infarction"
      },
      {
        "slug": "high-palate",
        "name": "High palate",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/high-palate"
      },
      {
        "slug": "prominent-frontal-sinuses",
        "name": "Increased size of frontal sinus",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system",
          "abnormality-of-the-respiratory-system"
        ],
        "url": "https://dantelabs.com/traits/prominent-frontal-sinuses"
      },
      {
        "slug": "atrioventricular-block",
        "name": "Interruption of electrical communication between upper and lower chambers of heart",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/atrioventricular-block"
      },
      {
        "slug": "micrognathia",
        "name": "Little lower jaw",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/micrognathia"
      },
      {
        "slug": "hypokalemia",
        "name": "Low blood potassium levels",
        "systems": [
          "abnormality-of-metabolism-homeostasis"
        ],
        "url": "https://dantelabs.com/traits/hypokalemia"
      },
      {
        "slug": "low-set-ears",
        "name": "Low-set ears",
        "systems": [
          "abnormality-of-the-ear"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/low-set-ears"
      },
      {
        "slug": "mildly-reduced-left-ventricular-ejection-fraction",
        "name": "Mildly reduced left ventricular ejection fraction",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/mildly-reduced-left-ventricular-ejection-fraction"
      },
      {
        "slug": "muscle-weakness",
        "name": "Muscle weakness",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/muscle-weakness"
      },
      {
        "slug": "blepharophimosis",
        "name": "Narrow opening between the eyelids",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "url": "https://dantelabs.com/traits/blepharophimosis"
      },
      {
        "slug": "neurodevelopmental-delay",
        "name": "Neurodevelopmental delay",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/neurodevelopmental-delay"
      },
      {
        "slug": "hyperthyroidism",
        "name": "Overactive thyroid",
        "systems": [
          "abnormality-of-the-endocrine-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/hyperthyroidism"
      },
      {
        "slug": "palpitations",
        "name": "Palpitations",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/palpitations"
      },
      {
        "slug": "paroxysmal-atrial-fibrillation",
        "name": "Paroxysmal atrial fibrillation",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/paroxysmal-atrial-fibrillation"
      },
      {
        "slug": "periodic-hyperkalemic-paralysis",
        "name": "Periodic hyperkalemic paralysis",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/periodic-hyperkalemic-paralysis"
      },
      {
        "slug": "periodic-hypokalemic-paresis",
        "name": "Periodic hypokalemic paresis",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/periodic-hypokalemic-paresis"
      },
      {
        "slug": "periodic-paralysis",
        "name": "Periodic paralysis",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/periodic-paralysis"
      },
      {
        "slug": "permanent-atrial-fibrillation",
        "name": "Permanent atrial fibrillation",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/permanent-atrial-fibrillation"
      },
      {
        "slug": "preauricular-pit",
        "name": "Pit in front of the ear",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-integument"
        ],
        "url": "https://dantelabs.com/traits/preauricular-pit"
      },
      {
        "slug": "polymorphic-and-polytopic-ventricular-extrasystoles",
        "name": "Polymorphic and polytopic ventricular extrasystoles",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/polymorphic-and-polytopic-ventricular-extrasystoles"
      },
      {
        "slug": "polymorphic-ventricular-tachycardia",
        "name": "Polymorphic ventricular tachycardia",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/polymorphic-ventricular-tachycardia"
      },
      {
        "slug": "presyncope",
        "name": "Presyncope",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/presyncope"
      },
      {
        "slug": "prolonged-qt-interval",
        "name": "Prolonged QT interval",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/prolonged-qt-interval"
      },
      {
        "slug": "prolonged-qtc-interval",
        "name": "Prolonged QTc interval",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/prolonged-qtc-interval"
      },
      {
        "slug": "prominent-u-wave",
        "name": "Prominent U wave",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/prominent-u-wave"
      },
      {
        "slug": "atrial-fibrillation",
        "name": "Quivering upper heart chambers resulting in irregular heartbeat",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/atrial-fibrillation"
      },
      {
        "slug": "scaphocephaly",
        "name": "Scaphocephaly",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/scaphocephaly"
      },
      {
        "slug": "scoliosis",
        "name": "Scoliosis",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/scoliosis"
      },
      {
        "slug": "short-phalanx-of-finger",
        "name": "Short finger bones",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/short-phalanx-of-finger"
      },
      {
        "slug": "brachydactyly",
        "name": "Short fingers or toes",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/brachydactyly"
      },
      {
        "slug": "short-foot",
        "name": "Short foot",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/short-foot"
      },
      {
        "slug": "short-metatarsal",
        "name": "Short long bone of foot",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/short-metatarsal"
      },
      {
        "slug": "short-mandibular-rami",
        "name": "Short mandibular rami",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/short-mandibular-rami"
      },
      {
        "slug": "short-palpebral-fissure",
        "name": "Short opening between the eyelids",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/short-palpebral-fissure"
      },
      {
        "slug": "short-palm",
        "name": "Short palm",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/short-palm"
      },
      {
        "slug": "short-stature",
        "name": "Short stature",
        "systems": [
          "growth-abnormality"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/short-stature"
      },
      {
        "slug": "short-metacarpal",
        "name": "Shortened long bone of hand",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/short-metacarpal"
      },
      {
        "slug": "shortened-qt-interval",
        "name": "Shortened QT interval",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/shortened-qt-interval"
      },
      {
        "slug": "slender-long-bone",
        "name": "Slender long bone",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/slender-long-bone"
      },
      {
        "slug": "bradycardia",
        "name": "Slow heartbeats",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/bradycardia"
      },
      {
        "slug": "small-finger",
        "name": "Small finger",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/small-finger"
      },
      {
        "slug": "small-hand",
        "name": "Small hand",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/small-hand"
      },
      {
        "slug": "renal-hypoplasia",
        "name": "Small kidneys",
        "systems": [
          "abnormality-of-the-genitourinary-system"
        ],
        "frequency": "very-rare",
        "url": "https://dantelabs.com/traits/renal-hypoplasia"
      },
      {
        "slug": "specific-learning-disability",
        "name": "Specific learning disability",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/specific-learning-disability"
      },
      {
        "slug": "dilated-cardiomyopathy",
        "name": "Stretched and thinned heart muscle",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/dilated-cardiomyopathy"
      },
      {
        "slug": "sudden-cardiac-death",
        "name": "Sudden cardiac death",
        "systems": [
          "abnormality-of-the-cardiovascular-system",
          "constitutional-symptom"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/sudden-cardiac-death"
      },
      {
        "slug": "enamel-hypoplasia",
        "name": "Thin dental enamel",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/enamel-hypoplasia"
      },
      {
        "slug": "thin-upper-lip-vermilion",
        "name": "Thin red part of the upper lip",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/thin-upper-lip-vermilion"
      },
      {
        "slug": "thromboembolic-stroke",
        "name": "Thromboembolic stroke",
        "systems": [
          "abnormality-of-blood-and-blood-forming-tissues"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/thromboembolic-stroke"
      },
      {
        "slug": "thromboembolism",
        "name": "Thromboembolism",
        "systems": [
          "abnormality-of-blood-and-blood-forming-tissues"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/thromboembolism"
      },
      {
        "slug": "torsade-de-pointes",
        "name": "Torsade de pointes",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/torsade-de-pointes"
      },
      {
        "slug": "triangular-face",
        "name": "Triangular face",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/triangular-face"
      },
      {
        "slug": "ventricular-arrhythmia",
        "name": "Ventricular arrhythmia",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/ventricular-arrhythmia"
      },
      {
        "slug": "ventricular-fibrillation",
        "name": "Ventricular fibrillation",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/ventricular-fibrillation"
      },
      {
        "slug": "2-3-toe-syndactyly",
        "name": "Webbed 2nd and 3rd toes",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/2-3-toe-syndactyly"
      },
      {
        "slug": "wide-nasal-bridge",
        "name": "Wide nasal bridge",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/wide-nasal-bridge"
      },
      {
        "slug": "hypertelorism",
        "name": "Wide-set eyes",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/hypertelorism"
      },
      {
        "slug": "scapular-winging",
        "name": "Winged shoulder blade",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/scapular-winging"
      },
      {
        "slug": "malar-flattening",
        "name": "Zygomatic flattening",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/malar-flattening"
      }
    ],
    "related": [
      {
        "slug": "kcnq1",
        "symbol": "KCNQ1",
        "name": "potassium voltage-gated channel subfamily Q member 1",
        "shared": 3,
        "url": "https://dantelabs.com/nl/genes/kcnq1"
      },
      {
        "slug": "kcnh2",
        "symbol": "KCNH2",
        "name": "potassium voltage-gated channel subfamily H member 2",
        "shared": 2,
        "url": "https://dantelabs.com/nl/genes/kcnh2"
      },
      {
        "slug": "cacna1c",
        "symbol": "CACNA1C",
        "name": "calcium voltage-gated channel subunit alpha1 C",
        "shared": 1,
        "url": "https://dantelabs.com/nl/genes/cacna1c"
      },
      {
        "slug": "cacna1s",
        "symbol": "CACNA1S",
        "name": "calcium voltage-gated channel subunit alpha1 S",
        "shared": 1,
        "url": "https://dantelabs.com/nl/genes/cacna1s"
      },
      {
        "slug": "calm1",
        "symbol": "CALM1",
        "name": "calmodulin 1",
        "shared": 1,
        "url": "https://dantelabs.com/nl/genes/calm1"
      },
      {
        "slug": "calm2",
        "symbol": "CALM2",
        "name": "calmodulin 2",
        "shared": 1,
        "url": "https://dantelabs.com/nl/genes/calm2"
      },
      {
        "slug": "calm3",
        "symbol": "CALM3",
        "name": "calmodulin 3",
        "shared": 1,
        "url": "https://dantelabs.com/nl/genes/calm3"
      },
      {
        "slug": "gja5",
        "symbol": "GJA5",
        "name": "gap junction protein alpha 5",
        "shared": 1,
        "url": "https://dantelabs.com/nl/genes/gja5"
      },
      {
        "slug": "kcne1",
        "symbol": "KCNE1",
        "name": "potassium voltage-gated channel subfamily E regulatory subunit 1",
        "shared": 1,
        "url": "https://dantelabs.com/nl/genes/kcne1"
      },
      {
        "slug": "myl4",
        "symbol": "MYL4",
        "name": "myosin light chain 4",
        "shared": 1,
        "url": "https://dantelabs.com/nl/genes/myl4"
      },
      {
        "slug": "scn4a",
        "symbol": "SCN4A",
        "name": "sodium voltage-gated channel alpha subunit 4",
        "shared": 1,
        "url": "https://dantelabs.com/nl/genes/scn4a"
      },
      {
        "slug": "scn5a",
        "symbol": "SCN5A",
        "name": "sodium voltage-gated channel alpha subunit 5",
        "shared": 1,
        "url": "https://dantelabs.com/nl/genes/scn5a"
      }
    ],
    "sources": {
      "bundleId": "2026.10.17-8666dff2",
      "panel": "2026-10-17",
      "acmgSf": "SF v3.2"
    },
    "locusKind": "proteinCoding"
  },
  "variants": {
    "total": 0,
    "url": null,
    "items": []
  }
}