{
  "url": "https://dantelabs.com/no/genes/gch1",
  "gene": {
    "slug": "gch1",
    "symbol": "GCH1",
    "name": "GTP cyclohydrolase 1",
    "hgnc": "HGNC:4193",
    "summary": null,
    "location": "14q22.2",
    "locusType": "gene with protein product",
    "aliases": [
      "GTPCH1",
      "DYT5a"
    ],
    "previousSymbols": [
      "GCH",
      "DYT5",
      "DYT14"
    ],
    "ensemblId": "ENSG00000131979",
    "entrezId": 2643,
    "omim": [
      "600225"
    ],
    "uniprot": [
      "P30793"
    ],
    "model": {
      "build": "GRCh38",
      "release": "v1.5",
      "chrom": "14",
      "start": 54842017,
      "end": 54902826,
      "strand": "-",
      "ensemblTranscript": "ENST00000491895.7",
      "refseqTranscript": "NM_000161.3",
      "ensemblProtein": "ENSP00000419045.2",
      "refseqProtein": "NP_000152.1",
      "exons": [
        {
          "start": 54842017,
          "end": 54844143
        },
        {
          "start": 54845768,
          "end": 54845852
        },
        {
          "start": 54847099,
          "end": 54847130
        },
        {
          "start": 54859681,
          "end": 54859736
        },
        {
          "start": 54865327,
          "end": 54865436
        },
        {
          "start": 54902321,
          "end": 54902826
        }
      ],
      "cds": {
        "start": 54844017,
        "end": 54902663
      }
    },
    "grch37": {
      "build": "GRCh37",
      "release": "87",
      "chrom": "14",
      "start": 55308726,
      "end": 55369570,
      "strand": "-"
    },
    "neighbourhood": {
      "release": "116",
      "start": 54372422,
      "end": 55372421,
      "genes": [
        {
          "symbol": "CDKN3",
          "ensemblId": "ENSG00000100526",
          "biotype": "protein_coding",
          "start": 54396849,
          "end": 54420221,
          "strand": "+",
          "slug": "cdkn3"
        },
        {
          "symbol": "CNIH1",
          "ensemblId": "ENSG00000100528",
          "biotype": "protein_coding",
          "start": 54411952,
          "end": 54441467,
          "strand": "-",
          "slug": "cnih1"
        },
        {
          "symbol": "GMFB",
          "ensemblId": "ENSG00000197045",
          "biotype": "protein_coding",
          "start": 54474466,
          "end": 54489077,
          "strand": "-",
          "slug": "gmfb"
        },
        {
          "symbol": "CGRRF1",
          "ensemblId": "ENSG00000100532",
          "biotype": "protein_coding",
          "start": 54509812,
          "end": 54542762,
          "strand": "+",
          "slug": "cgrrf1"
        },
        {
          "symbol": "SAMD4A",
          "ensemblId": "ENSG00000020577",
          "biotype": "protein_coding",
          "start": 54566117,
          "end": 54793312,
          "strand": "+",
          "slug": "samd4a"
        },
        {
          "symbol": "WDHD1",
          "ensemblId": "ENSG00000198554",
          "biotype": "protein_coding",
          "start": 54938949,
          "end": 55027450,
          "strand": "-",
          "slug": "wdhd1"
        },
        {
          "symbol": "SOCS4",
          "ensemblId": "ENSG00000180008",
          "biotype": "protein_coding",
          "start": 55027116,
          "end": 55049489,
          "strand": "+",
          "slug": "socs4"
        },
        {
          "symbol": "MAPK1IP1L",
          "ensemblId": "ENSG00000168175",
          "biotype": "protein_coding",
          "start": 55051647,
          "end": 55070194,
          "strand": "+",
          "slug": "mapk1ip1l"
        },
        {
          "symbol": "LGALS3",
          "ensemblId": "ENSG00000131981",
          "biotype": "protein_coding",
          "start": 55121352,
          "end": 55148027,
          "strand": "+",
          "slug": "lgals3"
        },
        {
          "symbol": "DLGAP5",
          "ensemblId": "ENSG00000126787",
          "biotype": "protein_coding",
          "start": 55132272,
          "end": 55191627,
          "strand": "-",
          "slug": "dlgap5"
        },
        {
          "symbol": "FBXO34",
          "ensemblId": "ENSG00000178974",
          "biotype": "protein_coding",
          "start": 55271344,
          "end": 55384223,
          "strand": "+",
          "slug": "fbxo34"
        },
        {
          "symbol": "CHMP4BP1",
          "ensemblId": "ENSG00000258469",
          "biotype": "protein_coding",
          "start": 55271378,
          "end": 55299503,
          "strand": "+",
          "slug": "chmp4bp1"
        },
        {
          "symbol": "ATG14",
          "ensemblId": "ENSG00000126775",
          "biotype": "protein_coding",
          "start": 55366391,
          "end": 55411831,
          "strand": "-",
          "slug": "atg14"
        }
      ],
      "truncated": false
    },
    "reports": [
      {
        "slug": "bh4-deficiency-and-neurotransmitter-disorders",
        "name": "BH4-mangel og monoaminnevrotransmitterforstyrrelser",
        "diseases": [
          {
            "mondoId": "MONDO:0016543",
            "name": "Hyperfenylalaninemi på grunn av BH4-mangel",
            "genes": 5,
            "inheritance": "autosomal-recessive",
            "description": "Forårsaket av varianter i PTS, QDPR, PCBD1 eller GCH1, som øker fenylalanin og reduserer dopamin og serotonin, noe som fører til bevegelsesproblemer, anfall og utviklingsforsinkelse.",
            "management": "Kunnskap om dette gjør det mulig å behandle med BH4, nevrotransmitterforløpere (L-dopa, 5-hydroksytryptofan) og folinsyre ved behov.",
            "evidence": {
              "gencc": [
                "G2P",
                "Genomics England PanelApp",
                "Labcorp Genetics (formerly Invitae)"
              ],
              "acmgSf": false,
              "inheritance": [
                "autosomal-recessive"
              ]
            },
            "sameAsReport": false,
            "broad": false
          }
        ],
        "url": "https://dantelabs.com/no/conditions/bh4-deficiency-and-neurotransmitter-disorders"
      },
      {
        "slug": "dystonia-myotonia-paroxysmal-dyskinesia",
        "name": "Dystonі, myotoni, paroksysmal dyskinesi",
        "diseases": [
          {
            "mondoId": "MONDO:0007495",
            "name": "Dystoni 5",
            "genes": 1,
            "inheritance": null,
            "description": "En autosomal dominant dopa-responsiv dystoni der sykdommens årsak er en variant i GCH1-genet.",
            "management": null,
            "evidence": {
              "gencc": [
                "Ambry Genetics",
                "G2P",
                "Genomics England PanelApp",
                "Labcorp Genetics (formerly Invitae)"
              ],
              "acmgSf": false,
              "inheritance": [
                "autosomal-dominant",
                "autosomal-recessive"
              ],
              "actionability": 11
            },
            "sameAsReport": false,
            "broad": false
          },
          {
            "mondoId": "MONDO:0044807",
            "name": "Arvelig dystoni",
            "genes": 34,
            "inheritance": null,
            "description": "Samlebetegnelse for arvelige dystonier, herunder DYT-TOR1A generalisert dystoni med tidlig debut, DYT-THAP1, myoklonus-dystoni (SGCE) og KMT2B-relatert dystoni.",
            "management": null,
            "evidence": {
              "gencc": [
                "Ambry Genetics",
                "G2P",
                "Genomics England PanelApp",
                "Labcorp Genetics (formerly Invitae)"
              ],
              "acmgSf": false,
              "inheritance": [
                "autosomal-dominant",
                "autosomal-recessive"
              ],
              "actionability": 11
            },
            "sameAsReport": false,
            "broad": false
          }
        ],
        "url": "https://dantelabs.com/no/conditions/dystonia-myotonia-paroxysmal-dyskinesia"
      }
    ],
    "pharmacogenomics": [],
    "traits": [],
    "phenotypes": [
      {
        "slug": "abnormal-substantia-nigra-morphology",
        "name": "Abnormal substantia nigra morphology",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/abnormal-substantia-nigra-morphology"
      },
      {
        "slug": "abnormality-of-extrapyramidal-motor-function",
        "name": "Abnormality of extrapyramidal motor function",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/abnormality-of-extrapyramidal-motor-function"
      },
      {
        "slug": "abnormality-of-eye-movement",
        "name": "Abnormality of eye movement",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "url": "https://dantelabs.com/traits/abnormality-of-eye-movement"
      },
      {
        "slug": "anxiety",
        "name": "Anxiety",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/anxiety"
      },
      {
        "slug": "ataxia",
        "name": "Ataxia",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/ataxia"
      },
      {
        "slug": "babinski-sign",
        "name": "Babinski sign",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/babinski-sign"
      },
      {
        "slug": "brisk-reflexes",
        "name": "Brisk reflexes",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/brisk-reflexes"
      },
      {
        "slug": "choreoathetosis",
        "name": "Choreoathetosis",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/choreoathetosis"
      },
      {
        "slug": "talipes-equinovarus",
        "name": "Club feet",
        "systems": [
          "abnormality-of-limbs"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/talipes-equinovarus"
      },
      {
        "slug": "cogwheel-rigidity",
        "name": "Cogwheel rigidity",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/cogwheel-rigidity"
      },
      {
        "slug": "decreased-csf-homovanillic-acid-concentration",
        "name": "Decreased CSF homovanillic acid concentration",
        "systems": [
          "abnormality-of-metabolism-homeostasis",
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/decreased-csf-homovanillic-acid-concentration"
      },
      {
        "slug": "decreased-urinary-biopterin-level",
        "name": "Decreased urinary biopterin level",
        "systems": [
          "abnormality-of-metabolism-homeostasis",
          "abnormality-of-the-genitourinary-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/decreased-urinary-biopterin-level"
      },
      {
        "slug": "decreased-urinary-neopterin-level",
        "name": "Decreased urinary neopterin level",
        "systems": [
          "abnormality-of-metabolism-homeostasis",
          "abnormality-of-the-genitourinary-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/decreased-urinary-neopterin-level"
      },
      {
        "slug": "depression",
        "name": "Depression",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/depression"
      },
      {
        "slug": "dysarthria",
        "name": "Difficulty articulating speech",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/dysarthria"
      },
      {
        "slug": "dysdiadochokinesis",
        "name": "Difficulty performing quick and alternating movements",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/dysdiadochokinesis"
      },
      {
        "slug": "sleep-disturbance",
        "name": "Difficulty sleeping",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/sleep-disturbance"
      },
      {
        "slug": "dystonia",
        "name": "Dystonia",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/dystonia"
      },
      {
        "slug": "elevated-urinary-sulfatide-level",
        "name": "Elevated urinary sulfatide level",
        "systems": [
          "abnormality-of-metabolism-homeostasis",
          "abnormality-of-the-genitourinary-system"
        ],
        "url": "https://dantelabs.com/traits/elevated-urinary-sulfatide-level"
      },
      {
        "slug": "seizure",
        "name": "Epilepsy",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/seizure"
      },
      {
        "slug": "recurrent-fever",
        "name": "Episodic fever",
        "systems": [
          "abnormality-of-metabolism-homeostasis"
        ],
        "url": "https://dantelabs.com/traits/recurrent-fever"
      },
      {
        "slug": "excessive-salivation",
        "name": "Excessive salivation",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "url": "https://dantelabs.com/traits/excessive-salivation"
      },
      {
        "slug": "fatigue",
        "name": "Fatigue",
        "systems": [
          "constitutional-symptom"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/fatigue"
      },
      {
        "slug": "feeding-difficulties",
        "name": "Feeding difficulties",
        "systems": [
          "abnormality-of-the-digestive-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/feeding-difficulties"
      },
      {
        "slug": "focal-dystonia",
        "name": "Focal dystonia",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/focal-dystonia"
      },
      {
        "slug": "gaze-evoked-horizontal-nystagmus",
        "name": "Gaze-evoked horizontal nystagmus",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/gaze-evoked-horizontal-nystagmus"
      },
      {
        "slug": "generalized-hypotonia",
        "name": "Generalized decreased muscle tone",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/generalized-hypotonia"
      },
      {
        "slug": "generalized-dystonia",
        "name": "Generalized dystonia",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/generalized-dystonia"
      },
      {
        "slug": "global-developmental-delay",
        "name": "Global developmental delay",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/global-developmental-delay"
      },
      {
        "slug": "hearing-impairment",
        "name": "Hearing impairment",
        "systems": [
          "abnormality-of-the-ear"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/hearing-impairment"
      },
      {
        "slug": "hypertension",
        "name": "High blood pressure",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/hypertension"
      },
      {
        "slug": "pes-cavus",
        "name": "High-arched foot",
        "systems": [
          "abnormality-of-limbs"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/pes-cavus"
      },
      {
        "slug": "horizontal-nystagmus",
        "name": "Horizontal nystagmus",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/horizontal-nystagmus"
      },
      {
        "slug": "hyperkinetic-movements",
        "name": "Hyperactive movements",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "url": "https://dantelabs.com/traits/hyperkinetic-movements"
      },
      {
        "slug": "hyperphenylalaninemia",
        "name": "Hyperphenylalaninemia",
        "systems": [
          "abnormality-of-metabolism-homeostasis"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/hyperphenylalaninemia"
      },
      {
        "slug": "impaired-distal-vibration-sensation",
        "name": "Impaired distal vibration sensation",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/impaired-distal-vibration-sensation"
      },
      {
        "slug": "impaired-vibration-sensation-in-the-lower-limbs",
        "name": "Impaired vibration sensation in the lower limbs",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/impaired-vibration-sensation-in-the-lower-limbs"
      },
      {
        "slug": "gait-ataxia",
        "name": "Inability to coordinate movements when walking",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/gait-ataxia"
      },
      {
        "slug": "incoordination",
        "name": "Incoordination",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/incoordination"
      },
      {
        "slug": "increased-csf-phenylalanine-concentration",
        "name": "Increased CSF phenylalanine concentration",
        "systems": [
          "abnormality-of-metabolism-homeostasis",
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/increased-csf-phenylalanine-concentration"
      },
      {
        "slug": "limb-hypertonia",
        "name": "Increased muscle tone of arm or leg",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/limb-hypertonia"
      },
      {
        "slug": "hyperreflexia",
        "name": "Increased reflexes",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/hyperreflexia"
      },
      {
        "slug": "intellectual-disability",
        "name": "Intellectual disability",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "url": "https://dantelabs.com/traits/intellectual-disability"
      },
      {
        "slug": "spasticity",
        "name": "Involuntary muscle stiffness, contraction, or spasm",
        "systems": [
          "abnormality-of-the-musculoskeletal-system",
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/spasticity"
      },
      {
        "slug": "irritability",
        "name": "Irritability",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "url": "https://dantelabs.com/traits/irritability"
      },
      {
        "slug": "jaw-hyperreflexia",
        "name": "Jaw hyperreflexia",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/jaw-hyperreflexia"
      },
      {
        "slug": "lethargy",
        "name": "Lethargy",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "url": "https://dantelabs.com/traits/lethargy"
      },
      {
        "slug": "limb-dystonia",
        "name": "Limb dystonia",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/limb-dystonia"
      },
      {
        "slug": "hypotonia",
        "name": "Low muscle tone",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/hypotonia"
      },
      {
        "slug": "compulsive-behaviors",
        "name": "Obsessive compulsive behavior",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/compulsive-behaviors"
      },
      {
        "slug": "lower-limb-hyperreflexia",
        "name": "Overactive lower leg reflex",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/lower-limb-hyperreflexia"
      },
      {
        "slug": "paresis-of-extensor-muscles-of-the-big-toe",
        "name": "Paresis of extensor muscles of the big toe",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/paresis-of-extensor-muscles-of-the-big-toe"
      },
      {
        "slug": "parkinsonism",
        "name": "Parkinsonism",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/parkinsonism"
      },
      {
        "slug": "parkinsonism-with-favorable-response-to-dopaminergic-medication",
        "name": "Parkinsonism with favorable response to dopaminergic medication",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/parkinsonism-with-favorable-response-to-dopaminergic-medication"
      },
      {
        "slug": "poor-suck",
        "name": "Poor suck",
        "systems": [
          "abnormality-of-the-digestive-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/poor-suck"
      },
      {
        "slug": "dysphagia",
        "name": "Poor swallowing",
        "systems": [
          "abnormality-of-the-digestive-system",
          "abnormality-of-the-nervous-system"
        ],
        "url": "https://dantelabs.com/traits/dysphagia"
      },
      {
        "slug": "postural-tremor",
        "name": "Postural tremor",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/postural-tremor"
      },
      {
        "slug": "progressive-flexion-contractures",
        "name": "Progressive flexion contractures",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/progressive-flexion-contractures"
      },
      {
        "slug": "resting-tremor",
        "name": "Resting tremor",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/resting-tremor"
      },
      {
        "slug": "rheumatoid-arthritis",
        "name": "Rheumatoid arthritis",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/rheumatoid-arthritis"
      },
      {
        "slug": "rigidity",
        "name": "Rigidity",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/rigidity"
      },
      {
        "slug": "scoliosis",
        "name": "Scoliosis",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/scoliosis"
      },
      {
        "slug": "severe-muscular-hypotonia",
        "name": "Severely decreased muscle tone",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/severe-muscular-hypotonia"
      },
      {
        "slug": "bradykinesia",
        "name": "Slow movements",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/bradykinesia"
      },
      {
        "slug": "transient-hyperphenylalaninemia",
        "name": "Transient hyperphenylalaninemia",
        "systems": [
          "abnormality-of-metabolism-homeostasis"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/transient-hyperphenylalaninemia"
      },
      {
        "slug": "tremor",
        "name": "Tremor",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/tremor"
      },
      {
        "slug": "hypothyroidism",
        "name": "Underactive thyroid",
        "systems": [
          "abnormality-of-the-endocrine-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/hypothyroidism"
      },
      {
        "slug": "progressive-neurologic-deterioration",
        "name": "Worsening neurological symptoms",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "url": "https://dantelabs.com/traits/progressive-neurologic-deterioration"
      },
      {
        "slug": "writer-s-cramp",
        "name": "Writer's cramp",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "url": "https://dantelabs.com/traits/writer-s-cramp"
      },
      {
        "slug": "torticollis",
        "name": "Wry neck",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system",
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/torticollis"
      }
    ],
    "related": [
      {
        "slug": "spr",
        "symbol": "SPR",
        "name": "sepiapterin reductase",
        "shared": 2,
        "url": "https://dantelabs.com/no/genes/spr"
      },
      {
        "slug": "actb",
        "symbol": "ACTB",
        "name": "actin beta",
        "shared": 1,
        "url": "https://dantelabs.com/no/genes/actb"
      },
      {
        "slug": "ano3",
        "symbol": "ANO3",
        "name": "anoctamin 3",
        "shared": 1,
        "url": "https://dantelabs.com/no/genes/ano3"
      },
      {
        "slug": "arfgef3",
        "symbol": "ARFGEF3",
        "name": "ARFGEF family member 3",
        "shared": 1,
        "url": "https://dantelabs.com/no/genes/arfgef3"
      },
      {
        "slug": "atp1a3",
        "symbol": "ATP1A3",
        "name": "ATPase Na+/K+ transporting subunit alpha 3",
        "shared": 1,
        "url": "https://dantelabs.com/no/genes/atp1a3"
      },
      {
        "slug": "bcap31",
        "symbol": "BCAP31",
        "name": "B cell receptor associated protein 31",
        "shared": 1,
        "url": "https://dantelabs.com/no/genes/bcap31"
      },
      {
        "slug": "col6a3",
        "symbol": "COL6A3",
        "name": "collagen type VI alpha 3 chain",
        "shared": 1,
        "url": "https://dantelabs.com/no/genes/col6a3"
      },
      {
        "slug": "dcaf17",
        "symbol": "DCAF17",
        "name": "DDB1 and CUL4 associated factor 17",
        "shared": 1,
        "url": "https://dantelabs.com/no/genes/dcaf17"
      },
      {
        "slug": "gnal",
        "symbol": "GNAL",
        "name": "G protein subunit alpha L",
        "shared": 1,
        "url": "https://dantelabs.com/no/genes/gnal"
      },
      {
        "slug": "hpca",
        "symbol": "HPCA",
        "name": "hippocalcin",
        "shared": 1,
        "url": "https://dantelabs.com/no/genes/hpca"
      },
      {
        "slug": "kcnj10",
        "symbol": "KCNJ10",
        "name": "potassium inwardly rectifying channel subfamily J member 10",
        "shared": 1,
        "url": "https://dantelabs.com/no/genes/kcnj10"
      },
      {
        "slug": "kctd17",
        "symbol": "KCTD17",
        "name": "potassium channel tetramerization domain containing 17",
        "shared": 1,
        "url": "https://dantelabs.com/no/genes/kctd17"
      }
    ],
    "sources": {
      "bundleId": "2026.10.17-8666dff2",
      "panel": "2026-10-17",
      "acmgSf": "SF v3.2"
    },
    "locusKind": "proteinCoding"
  },
  "variants": {
    "total": 0,
    "url": null,
    "items": []
  }
}