{
  "url": "https://dantelabs.com/hu/genes/ndufaf4",
  "gene": {
    "slug": "ndufaf4",
    "symbol": "NDUFAF4",
    "name": "NADH:ubiquinone oxidoreductase complex assembly factor 4",
    "hgnc": "HGNC:21034",
    "summary": null,
    "location": "6q16.1",
    "locusType": "gene with protein product",
    "aliases": [
      "HSPC125",
      "bA22L21.1",
      "My013",
      "HRPAP20"
    ],
    "previousSymbols": [
      "C6orf66"
    ],
    "ensemblId": "ENSG00000123545",
    "entrezId": 29078,
    "omim": [
      "611776"
    ],
    "uniprot": [
      "Q9P032"
    ],
    "model": {
      "build": "GRCh38",
      "release": "v1.5",
      "chrom": "6",
      "start": 96889315,
      "end": 96897891,
      "strand": "-",
      "ensemblTranscript": "ENST00000316149.8",
      "refseqTranscript": "NM_014165.4",
      "ensemblProtein": "ENSP00000358272.4",
      "refseqProtein": "NP_054884.1",
      "exons": [
        {
          "start": 96889315,
          "end": 96891391
        },
        {
          "start": 96896744,
          "end": 96896847
        },
        {
          "start": 96897666,
          "end": 96897891
        }
      ],
      "cds": {
        "start": 96891104,
        "end": 96897801
      }
    },
    "grch37": {
      "build": "GRCh37",
      "release": "87",
      "chrom": "6",
      "start": 97337189,
      "end": 97345757,
      "strand": "-"
    },
    "neighbourhood": {
      "release": "116",
      "start": 96393603,
      "end": 97393602,
      "genes": [
        {
          "symbol": "UFL1",
          "ensemblId": "ENSG00000014123",
          "biotype": "protein_coding",
          "start": 96521595,
          "end": 96555943,
          "strand": "+",
          "slug": "ufl1"
        },
        {
          "symbol": "FHL5",
          "ensemblId": "ENSG00000112214",
          "biotype": "protein_coding",
          "start": 96562548,
          "end": 96621381,
          "strand": "+",
          "slug": "fhl5"
        },
        {
          "symbol": "GPR63",
          "ensemblId": "ENSG00000112218",
          "biotype": "protein_coding",
          "start": 96794125,
          "end": 96838150,
          "strand": "-",
          "slug": "gpr63"
        },
        {
          "symbol": "KLHL32",
          "ensemblId": "ENSG00000186231",
          "biotype": "protein_coding",
          "start": 96924615,
          "end": 97140756,
          "strand": "+",
          "slug": "klhl32"
        },
        {
          "symbol": "MMS22L",
          "ensemblId": "ENSG00000146263",
          "biotype": "protein_coding",
          "start": 97141741,
          "end": 97283241,
          "strand": "-",
          "slug": "mms22l"
        }
      ],
      "truncated": false
    },
    "reports": [
      {
        "slug": "primary-mitochondrial-disease",
        "name": "Primary Mitochondrial Disease",
        "diseases": [
          {
            "mondoId": "MONDO:0000066",
            "name": "Mitochondrial Respiratory Chain Complex Deficiency",
            "genes": 61,
            "inheritance": null,
            "description": "Isolated deficiencies of complex I, II, III, IV or V, caused by variants in nuclear or mitochondrial genes, which can affect the brain, muscles, heart, liver and other energy-demanding organs.",
            "management": "Knowing can end a diagnostic search and guide surveillance of affected organs and avoidance of drugs toxic to mitochondria.",
            "evidence": {
              "gencc": [
                "Labcorp Genetics (formerly Invitae)",
                "PanelApp Australia"
              ],
              "acmgSf": false,
              "inheritance": [
                "autosomal-recessive"
              ]
            },
            "sameAsReport": false,
            "broad": true
          }
        ],
        "url": "https://dantelabs.com/hu/conditions/primary-mitochondrial-disease"
      }
    ],
    "pharmacogenomics": [],
    "traits": [],
    "phenotypes": [
      {
        "slug": "abnormal-mitochondria-in-muscle-tissue",
        "name": "Abnormal mitochondria in muscle tissue",
        "systems": [
          "abnormal-cellular-phenotype",
          "abnormality-of-metabolism-homeostasis",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/abnormal-mitochondria-in-muscle-tissue"
      },
      {
        "slug": "microcephaly",
        "name": "Abnormally small head",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system",
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/microcephaly"
      },
      {
        "slug": "ataxia",
        "name": "Ataxia",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/ataxia"
      },
      {
        "slug": "blindness",
        "name": "Blindness",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/blindness"
      },
      {
        "slug": "cns-demyelination",
        "name": "CNS demyelination",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/cns-demyelination"
      },
      {
        "slug": "strabismus",
        "name": "Cross-eyed",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/strabismus"
      },
      {
        "slug": "optic-neuropathy",
        "name": "Damaged optic nerve",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/optic-neuropathy"
      },
      {
        "slug": "decreased-activity-of-mitochondrial-complex-i",
        "name": "Decreased activity of mitochondrial complex I",
        "systems": [
          "abnormal-cellular-phenotype",
          "abnormality-of-metabolism-homeostasis"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/decreased-activity-of-mitochondrial-complex-i"
      },
      {
        "slug": "cerebellar-atrophy",
        "name": "Degeneration of cerebellum",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/cerebellar-atrophy"
      },
      {
        "slug": "diabetes-mellitus",
        "name": "Diabetes mellitus",
        "systems": [
          "abnormality-of-metabolism-homeostasis",
          "abnormality-of-the-endocrine-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/diabetes-mellitus"
      },
      {
        "slug": "ptosis",
        "name": "Drooping upper eyelid",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/ptosis"
      },
      {
        "slug": "dystonia",
        "name": "Dystonia",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/dystonia"
      },
      {
        "slug": "encephalopathy",
        "name": "Encephalopathy",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/encephalopathy"
      },
      {
        "slug": "hypertrophic-cardiomyopathy",
        "name": "Enlarged and thickened heart muscle",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/hypertrophic-cardiomyopathy"
      },
      {
        "slug": "hepatomegaly",
        "name": "Enlarged liver",
        "systems": [
          "abnormality-of-the-digestive-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/hepatomegaly"
      },
      {
        "slug": "failure-to-thrive",
        "name": "Faltering weight",
        "systems": [
          "growth-abnormality"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/failure-to-thrive"
      },
      {
        "slug": "feeding-difficulties",
        "name": "Feeding difficulties",
        "systems": [
          "abnormality-of-the-digestive-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/feeding-difficulties"
      },
      {
        "slug": "fetal-distress",
        "name": "Fetal distress",
        "systems": [
          "abnormality-of-prenatal-development-or-birth"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/fetal-distress"
      },
      {
        "slug": "flexion-contracture",
        "name": "Flexed joint that cannot be straightened",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/flexion-contracture"
      },
      {
        "slug": "focal-t2-hyperintense-brainstem-lesion",
        "name": "Focal T2 hyperintense brainstem lesion",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/focal-t2-hyperintense-brainstem-lesion"
      },
      {
        "slug": "generalized-hypotonia",
        "name": "Generalized decreased muscle tone",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/generalized-hypotonia"
      },
      {
        "slug": "global-developmental-delay",
        "name": "Global developmental delay",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/global-developmental-delay"
      },
      {
        "slug": "bilateral-tonic-clonic-seizure",
        "name": "Grand mal seizures",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/bilateral-tonic-clonic-seizure"
      },
      {
        "slug": "hearing-impairment",
        "name": "Hearing impairment",
        "systems": [
          "abnormality-of-the-ear"
        ],
        "url": "https://dantelabs.com/traits/hearing-impairment"
      },
      {
        "slug": "increased-circulating-lactate-concentration",
        "name": "Higher than normal levels of lactate in blood",
        "systems": [
          "abnormality-of-metabolism-homeostasis"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/increased-circulating-lactate-concentration"
      },
      {
        "slug": "kyphosis",
        "name": "Hunched back",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/kyphosis"
      },
      {
        "slug": "increased-circulating-pyruvate-concentration",
        "name": "Increased circulating pyruvate concentration",
        "systems": [
          "abnormality-of-metabolism-homeostasis"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/increased-circulating-pyruvate-concentration"
      },
      {
        "slug": "increased-csf-lactate",
        "name": "Increased CSF lactate",
        "systems": [
          "abnormality-of-metabolism-homeostasis",
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/increased-csf-lactate"
      },
      {
        "slug": "lactic-acidosis",
        "name": "Increased lactate in body",
        "systems": [
          "abnormality-of-metabolism-homeostasis"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/lactic-acidosis"
      },
      {
        "slug": "hyperreflexia",
        "name": "Increased reflexes",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "url": "https://dantelabs.com/traits/hyperreflexia"
      },
      {
        "slug": "nystagmus",
        "name": "Involuntary, rapid, rhythmic eye movements",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/nystagmus"
      },
      {
        "slug": "irritability",
        "name": "Irritability",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "url": "https://dantelabs.com/traits/irritability"
      },
      {
        "slug": "lethargy",
        "name": "Lethargy",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/lethargy"
      },
      {
        "slug": "leukodystrophy",
        "name": "Leukodystrophy",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/leukodystrophy"
      },
      {
        "slug": "leukoencephalopathy",
        "name": "Leukoencephalopathy",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/leukoencephalopathy"
      },
      {
        "slug": "hypoglycemia",
        "name": "Low blood sugar",
        "systems": [
          "abnormality-of-metabolism-homeostasis"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/hypoglycemia"
      },
      {
        "slug": "hypotonia",
        "name": "Low muscle tone",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/hypotonia"
      },
      {
        "slug": "metabolic-acidosis",
        "name": "Metabolic acidosis",
        "systems": [
          "abnormality-of-metabolism-homeostasis"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/metabolic-acidosis"
      },
      {
        "slug": "mitochondrial-myopathy",
        "name": "Mitochondrial myopathy",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/mitochondrial-myopathy"
      },
      {
        "slug": "myopathy",
        "name": "Muscle tissue disease",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/myopathy"
      },
      {
        "slug": "muscle-weakness",
        "name": "Muscle weakness",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/muscle-weakness"
      },
      {
        "slug": "optic-atrophy",
        "name": "Optic atrophy",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "url": "https://dantelabs.com/traits/optic-atrophy"
      },
      {
        "slug": "optic-disc-pallor",
        "name": "Optic disc pallor",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/optic-disc-pallor"
      },
      {
        "slug": "paroxysmal-involuntary-eye-movements",
        "name": "Paroxysmal involuntary eye movements",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/paroxysmal-involuntary-eye-movements"
      },
      {
        "slug": "reduced-eye-contact",
        "name": "Poor eye contact",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/reduced-eye-contact"
      },
      {
        "slug": "poor-head-control",
        "name": "Poor head control",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/poor-head-control"
      },
      {
        "slug": "intrauterine-growth-retardation",
        "name": "Prenatal growth deficiency",
        "systems": [
          "growth-abnormality"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/intrauterine-growth-retardation"
      },
      {
        "slug": "proximal-tubulopathy",
        "name": "Proximal tubulopathy",
        "systems": [
          "abnormality-of-the-genitourinary-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/proximal-tubulopathy"
      },
      {
        "slug": "respiratory-insufficiency",
        "name": "Respiratory function loss",
        "systems": [
          "abnormality-of-the-respiratory-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/respiratory-insufficiency"
      },
      {
        "slug": "sensorineural-hearing-impairment",
        "name": "Sensorineural hearing impairment",
        "systems": [
          "abnormality-of-the-ear"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/sensorineural-hearing-impairment"
      },
      {
        "slug": "spastic-tetraplegia",
        "name": "Spastic tetraplegia",
        "systems": [
          "abnormality-of-the-musculoskeletal-system",
          "abnormality-of-the-nervous-system"
        ],
        "url": "https://dantelabs.com/traits/spastic-tetraplegia"
      },
      {
        "slug": "vomiting",
        "name": "Vomiting",
        "systems": [
          "abnormality-of-the-digestive-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/vomiting"
      }
    ],
    "related": [
      {
        "slug": "acad9",
        "symbol": "ACAD9",
        "name": "acyl-CoA dehydrogenase family member 9",
        "shared": 1,
        "url": "https://dantelabs.com/hu/genes/acad9"
      },
      {
        "slug": "atp5f1a",
        "symbol": "ATP5F1A",
        "name": "ATP synthase F1 subunit alpha",
        "shared": 1,
        "url": "https://dantelabs.com/hu/genes/atp5f1a"
      },
      {
        "slug": "atp5f1d",
        "symbol": "ATP5F1D",
        "name": "ATP synthase F1 subunit delta",
        "shared": 1,
        "url": "https://dantelabs.com/hu/genes/atp5f1d"
      },
      {
        "slug": "atp5f1e",
        "symbol": "ATP5F1E",
        "name": "ATP synthase F1 subunit epsilon",
        "shared": 1,
        "url": "https://dantelabs.com/hu/genes/atp5f1e"
      },
      {
        "slug": "bcs1l",
        "symbol": "BCS1L",
        "name": "BCS1 ubiquinol-cytochrome c reductase complex chaperone",
        "shared": 1,
        "url": "https://dantelabs.com/hu/genes/bcs1l"
      },
      {
        "slug": "coa6",
        "symbol": "COA6",
        "name": "cytochrome c oxidase assembly factor 6",
        "shared": 1,
        "url": "https://dantelabs.com/hu/genes/coa6"
      },
      {
        "slug": "coa8",
        "symbol": "COA8",
        "name": "cytochrome c oxidase assembly factor 8",
        "shared": 1,
        "url": "https://dantelabs.com/hu/genes/coa8"
      },
      {
        "slug": "cox10",
        "symbol": "COX10",
        "name": "cytochrome c oxidase assembly factor heme A:farnesyltransferase COX10",
        "shared": 1,
        "url": "https://dantelabs.com/hu/genes/cox10"
      },
      {
        "slug": "cox15",
        "symbol": "COX15",
        "name": "cytochrome c oxidase assembly factor COX15",
        "shared": 1,
        "url": "https://dantelabs.com/hu/genes/cox15"
      },
      {
        "slug": "cox16",
        "symbol": "COX16",
        "name": "cytochrome c oxidase assembly factor COX16",
        "shared": 1,
        "url": "https://dantelabs.com/hu/genes/cox16"
      },
      {
        "slug": "cox20",
        "symbol": "COX20",
        "name": "cytochrome c oxidase assembly factor COX20",
        "shared": 1,
        "url": "https://dantelabs.com/hu/genes/cox20"
      },
      {
        "slug": "cox6b1",
        "symbol": "COX6B1",
        "name": "cytochrome c oxidase subunit 6B1",
        "shared": 1,
        "url": "https://dantelabs.com/hu/genes/cox6b1"
      }
    ],
    "sources": {
      "bundleId": "2026.10.17-8666dff2",
      "panel": "2026-10-17",
      "acmgSf": "SF v3.2"
    },
    "locusKind": "proteinCoding"
  },
  "variants": {
    "total": 0,
    "url": null,
    "items": []
  }
}