{
  "url": "https://dantelabs.com/hu/genes/ap4b1",
  "gene": {
    "slug": "ap4b1",
    "symbol": "AP4B1",
    "name": "adaptor related protein complex 4 subunit beta 1",
    "hgnc": "HGNC:572",
    "summary": null,
    "location": "1p13.2",
    "locusType": "gene with protein product",
    "aliases": [
      "BETA-4"
    ],
    "previousSymbols": [
      "SPG47"
    ],
    "ensemblId": "ENSG00000134262",
    "entrezId": 10717,
    "omim": [
      "607245"
    ],
    "uniprot": [
      "Q9Y6B7"
    ],
    "model": {
      "build": "GRCh38",
      "release": "v1.5",
      "chrom": "1",
      "start": 113894194,
      "end": 113904799,
      "strand": "-",
      "ensemblTranscript": "ENST00000369569.6",
      "refseqTranscript": "NM_001253852.3",
      "ensemblProtein": "ENSP00000358582.1",
      "refseqProtein": "NP_001240781.1",
      "exons": [
        {
          "start": 113894194,
          "end": 113895492
        },
        {
          "start": 113895757,
          "end": 113896038
        },
        {
          "start": 113896258,
          "end": 113896465
        },
        {
          "start": 113897840,
          "end": 113897943
        },
        {
          "start": 113898718,
          "end": 113898801
        },
        {
          "start": 113899904,
          "end": 113900400
        },
        {
          "start": 113901236,
          "end": 113901383
        },
        {
          "start": 113901755,
          "end": 113901885
        },
        {
          "start": 113902638,
          "end": 113902862
        },
        {
          "start": 113904605,
          "end": 113904799
        }
      ],
      "cds": {
        "start": 113895065,
        "end": 113904717
      }
    },
    "grch37": {
      "build": "GRCh37",
      "release": "87",
      "chrom": "1",
      "start": 114437370,
      "end": 114447823,
      "strand": "-"
    },
    "neighbourhood": {
      "release": "116",
      "start": 113399497,
      "end": 114399496,
      "genes": [
        {
          "symbol": "MAGI3",
          "ensemblId": "ENSG00000081026",
          "biotype": "protein_coding",
          "start": 113390390,
          "end": 113687431,
          "strand": "+",
          "slug": "magi3"
        },
        {
          "symbol": "PHTF1",
          "ensemblId": "ENSG00000116793",
          "biotype": "protein_coding",
          "start": 113696052,
          "end": 113759908,
          "strand": "-",
          "slug": "phtf1"
        },
        {
          "symbol": "RSBN1",
          "ensemblId": "ENSG00000081019",
          "biotype": "protein_coding",
          "start": 113761429,
          "end": 113812551,
          "strand": "-",
          "slug": "rsbn1"
        },
        {
          "symbol": "PTPN22",
          "ensemblId": "ENSG00000134242",
          "biotype": "protein_coding",
          "start": 113813811,
          "end": 113871753,
          "strand": "-",
          "slug": "ptpn22"
        },
        {
          "symbol": "BCL2L15",
          "ensemblId": "ENSG00000188761",
          "biotype": "protein_coding",
          "start": 113876816,
          "end": 113887588,
          "strand": "-",
          "slug": "bcl2l15"
        },
        {
          "symbol": "DCLRE1B",
          "ensemblId": "ENSG00000118655",
          "biotype": "protein_coding",
          "start": 113904403,
          "end": 113914140,
          "strand": "+",
          "slug": "dclre1b"
        },
        {
          "symbol": "HIPK1",
          "ensemblId": "ENSG00000163349",
          "biotype": "protein_coding",
          "start": 113929324,
          "end": 113977869,
          "strand": "+",
          "slug": "hipk1"
        },
        {
          "symbol": "OLFML3",
          "ensemblId": "ENSG00000116774",
          "biotype": "protein_coding",
          "start": 113979024,
          "end": 114035572,
          "strand": "+",
          "slug": "olfml3"
        },
        {
          "symbol": "SYT6",
          "ensemblId": "ENSG00000134207",
          "biotype": "protein_coding",
          "start": 114089291,
          "end": 114153880,
          "strand": "-",
          "slug": "syt6"
        },
        {
          "symbol": "TRIM33",
          "ensemblId": "ENSG00000197323",
          "biotype": "protein_coding",
          "start": 114392781,
          "end": 114511244,
          "strand": "-",
          "slug": "trim33"
        }
      ],
      "truncated": false
    },
    "reports": [
      {
        "slug": "hereditary-spastic-paraplegia",
        "name": "Hereditary Spastic Paraplegia",
        "diseases": [
          {
            "mondoId": "MONDO:0013551",
            "name": "Hereditary Spastic Paraplegia 47",
            "genes": 1,
            "inheritance": "autosomal-recessive",
            "description": "Any hereditary spastic paraplegia in which the cause of the disease is a mutation in the AP4B1 gene.",
            "management": null,
            "evidence": {
              "gencc": [
                "G2P",
                "Labcorp Genetics (formerly Invitae)",
                "PanelApp Australia"
              ],
              "acmgSf": false,
              "inheritance": [
                "autosomal-recessive"
              ]
            },
            "sameAsReport": false,
            "broad": false
          },
          {
            "mondoId": "MONDO:0019064",
            "name": "Hereditary Spastic Paraplegia (All Types)",
            "genes": 66,
            "inheritance": null,
            "description": "Umbrella term covering all hereditary spastic paraplegias, including SPG4 (SPAST), the most common dominant form, and SPG5A, SPG6, SPG10, SPG18, SPG30 and SPG31.",
            "management": null,
            "evidence": {
              "gencc": [
                "G2P",
                "Labcorp Genetics (formerly Invitae)",
                "PanelApp Australia"
              ],
              "acmgSf": false,
              "inheritance": [
                "autosomal-recessive"
              ]
            },
            "sameAsReport": false,
            "broad": true
          }
        ],
        "url": "https://dantelabs.com/hu/conditions/hereditary-spastic-paraplegia"
      },
      {
        "slug": "inherited-neurodegenerative-disorders-selected-genes",
        "name": "Inherited Neurodegenerative Disorders",
        "diseases": [
          {
            "mondoId": "MONDO:0024237",
            "name": "KIF5A-Related Neurodegenerative Disorder",
            "genes": 372,
            "inheritance": "autosomal-dominant",
            "description": "Caused by changes in one copy of KIF5A, which encodes a motor protein with a cargo-binding tail. Different types of change lead to different conditions: hereditary spastic paraplegia type 10, an axonal form of Charcot-Marie-Tooth disease and amyotrophic lateral sclerosis (ALS).",
            "management": "Care is symptomatic and depends on the presentation, including physiotherapy, antispasticity medicines and multidisciplinary ALS care. Each child of an affected person has a 1 in 2 chance of inheriting the change; genetic counselling helps families understand this.",
            "evidence": {
              "gencc": [
                "G2P",
                "Labcorp Genetics (formerly Invitae)",
                "PanelApp Australia"
              ],
              "acmgSf": false,
              "inheritance": [
                "autosomal-recessive"
              ]
            },
            "sameAsReport": false,
            "broad": true
          }
        ],
        "url": "https://dantelabs.com/hu/conditions/inherited-neurodegenerative-disorders-selected-genes"
      }
    ],
    "pharmacogenomics": [],
    "traits": [],
    "phenotypes": [
      {
        "slug": "gait-disturbance",
        "name": "Abnormal gait",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/gait-disturbance"
      },
      {
        "slug": "abnormal-periventricular-white-matter-morphology",
        "name": "Abnormal periventricular white matter morphology",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/abnormal-periventricular-white-matter-morphology"
      },
      {
        "slug": "microcephaly",
        "name": "Abnormally small head",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system",
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/microcephaly"
      },
      {
        "slug": "acetabular-dysplasia",
        "name": "Acetabular dysplasia",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-rare",
        "url": "https://dantelabs.com/traits/acetabular-dysplasia"
      },
      {
        "slug": "babinski-sign",
        "name": "Babinski sign",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/babinski-sign"
      },
      {
        "slug": "genu-recurvatum",
        "name": "Back knee",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/genu-recurvatum"
      },
      {
        "slug": "bulbous-nose",
        "name": "Bulbous nose",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/bulbous-nose"
      },
      {
        "slug": "talipes-equinovarus",
        "name": "Club feet",
        "systems": [
          "abnormality-of-limbs"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/talipes-equinovarus"
      },
      {
        "slug": "coarse-facial-features",
        "name": "Coarse facial features",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/coarse-facial-features"
      },
      {
        "slug": "strabismus",
        "name": "Cross-eyed",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "very-rare",
        "url": "https://dantelabs.com/traits/strabismus"
      },
      {
        "slug": "cerebral-cortical-atrophy",
        "name": "Decrease in size of the outer layer of the brain due to loss of brain cells",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/cerebral-cortical-atrophy"
      },
      {
        "slug": "facial-hypotonia",
        "name": "Decreased facial muscle tone",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/facial-hypotonia"
      },
      {
        "slug": "cerebellar-atrophy",
        "name": "Degeneration of cerebellum",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/cerebellar-atrophy"
      },
      {
        "slug": "delayed-ability-to-walk",
        "name": "Delayed ability to walk",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/delayed-ability-to-walk"
      },
      {
        "slug": "delayed-speech-and-language-development",
        "name": "Delayed speech and language development",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "url": "https://dantelabs.com/traits/delayed-speech-and-language-development"
      },
      {
        "slug": "dysarthria",
        "name": "Difficulty articulating speech",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "url": "https://dantelabs.com/traits/dysarthria"
      },
      {
        "slug": "drooling",
        "name": "Drooling",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/drooling"
      },
      {
        "slug": "everted-upper-lip-vermilion",
        "name": "Drooping upper lip",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/everted-upper-lip-vermilion"
      },
      {
        "slug": "pes-planus",
        "name": "Dropped arches",
        "systems": [
          "abnormality-of-limbs"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/pes-planus"
      },
      {
        "slug": "dystonia",
        "name": "Dystonia",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/dystonia"
      },
      {
        "slug": "seizure",
        "name": "Epilepsy",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/seizure"
      },
      {
        "slug": "flexion-contracture",
        "name": "Flexed joint that cannot be straightened",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/flexion-contracture"
      },
      {
        "slug": "global-developmental-delay",
        "name": "Global developmental delay",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/global-developmental-delay"
      },
      {
        "slug": "high-palate",
        "name": "High palate",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/high-palate"
      },
      {
        "slug": "generalized-joint-hypermobility",
        "name": "Hypermobility of all joints",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-rare",
        "url": "https://dantelabs.com/traits/generalized-joint-hypermobility"
      },
      {
        "slug": "inability-to-walk",
        "name": "Inability to walk",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/inability-to-walk"
      },
      {
        "slug": "hyperreflexia",
        "name": "Increased reflexes",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/hyperreflexia"
      },
      {
        "slug": "severe-intellectual-disability",
        "name": "Intellectual disability, severe",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/severe-intellectual-disability"
      },
      {
        "slug": "spasticity",
        "name": "Involuntary muscle stiffness, contraction, or spasm",
        "systems": [
          "abnormality-of-the-musculoskeletal-system",
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/spasticity"
      },
      {
        "slug": "amblyopia",
        "name": "Lazy eye",
        "systems": [
          "abnormality-of-the-eye"
        ],
        "frequency": "very-rare",
        "url": "https://dantelabs.com/traits/amblyopia"
      },
      {
        "slug": "hypotonia",
        "name": "Low muscle tone",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/hypotonia"
      },
      {
        "slug": "neonatal-hypotonia",
        "name": "Low muscle tone, in neonatal onset",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/neonatal-hypotonia"
      },
      {
        "slug": "narrow-forehead",
        "name": "Narrow forehead",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/narrow-forehead"
      },
      {
        "slug": "overweight",
        "name": "Overweight",
        "systems": [
          "growth-abnormality"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/overweight"
      },
      {
        "slug": "poor-speech",
        "name": "Poor speech",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/poor-speech"
      },
      {
        "slug": "progressive-spastic-paraplegia",
        "name": "Progressive spastic paraplegia",
        "systems": [
          "abnormality-of-the-musculoskeletal-system",
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/progressive-spastic-paraplegia"
      },
      {
        "slug": "motor-stereotypy",
        "name": "Repetitive movements",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/motor-stereotypy"
      },
      {
        "slug": "short-philtrum",
        "name": "Short philtrum",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/short-philtrum"
      },
      {
        "slug": "short-stature",
        "name": "Short stature",
        "systems": [
          "growth-abnormality"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/short-stature"
      },
      {
        "slug": "excessive-shyness",
        "name": "Shyness",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/excessive-shyness"
      },
      {
        "slug": "spastic-dysarthria",
        "name": "Spastic dysarthria",
        "systems": [
          "abnormality-of-the-musculoskeletal-system",
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/spastic-dysarthria"
      },
      {
        "slug": "spastic-paraplegia",
        "name": "Spastic paraplegia",
        "systems": [
          "abnormality-of-the-musculoskeletal-system",
          "abnormality-of-the-nervous-system"
        ],
        "url": "https://dantelabs.com/traits/spastic-paraplegia"
      },
      {
        "slug": "hypertonia",
        "name": "Spasticity and rigidity of muscles",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/hypertonia"
      },
      {
        "slug": "hypoplasia-of-the-corpus-callosum",
        "name": "Underdevelopment of part of brain called corpus callosum",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/hypoplasia-of-the-corpus-callosum"
      },
      {
        "slug": "ventriculomegaly",
        "name": "Ventriculomegaly",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "url": "https://dantelabs.com/traits/ventriculomegaly"
      },
      {
        "slug": "waddling-gait",
        "name": "Waddling gait",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/waddling-gait"
      },
      {
        "slug": "wide-mouth",
        "name": "Wide mouth",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/wide-mouth"
      },
      {
        "slug": "wide-nasal-bridge",
        "name": "Wide nasal bridge",
        "systems": [
          "abnormality-of-head-or-neck"
        ],
        "frequency": "occasional",
        "url": "https://dantelabs.com/traits/wide-nasal-bridge"
      }
    ],
    "related": [
      {
        "slug": "abcd1",
        "symbol": "ABCD1",
        "name": "ATP binding cassette subfamily D member 1",
        "shared": 2,
        "url": "https://dantelabs.com/hu/genes/abcd1"
      },
      {
        "slug": "abhd16a",
        "symbol": "ABHD16A",
        "name": "abhydrolase domain containing 16A, phospholipase",
        "shared": 2,
        "url": "https://dantelabs.com/hu/genes/abhd16a"
      },
      {
        "slug": "aldh18a1",
        "symbol": "ALDH18A1",
        "name": "aldehyde dehydrogenase 18 family member A1",
        "shared": 2,
        "url": "https://dantelabs.com/hu/genes/aldh18a1"
      },
      {
        "slug": "amfr",
        "symbol": "AMFR",
        "name": "autocrine motility factor receptor",
        "shared": 2,
        "url": "https://dantelabs.com/hu/genes/amfr"
      },
      {
        "slug": "ap4e1",
        "symbol": "AP4E1",
        "name": "adaptor related protein complex 4 subunit epsilon 1",
        "shared": 2,
        "url": "https://dantelabs.com/hu/genes/ap4e1"
      },
      {
        "slug": "ap4m1",
        "symbol": "AP4M1",
        "name": "adaptor related protein complex 4 subunit mu 1",
        "shared": 2,
        "url": "https://dantelabs.com/hu/genes/ap4m1"
      },
      {
        "slug": "ap4s1",
        "symbol": "AP4S1",
        "name": "adaptor related protein complex 4 subunit sigma 1",
        "shared": 2,
        "url": "https://dantelabs.com/hu/genes/ap4s1"
      },
      {
        "slug": "ap5z1",
        "symbol": "AP5Z1",
        "name": "adaptor related protein complex 5 subunit zeta 1",
        "shared": 2,
        "url": "https://dantelabs.com/hu/genes/ap5z1"
      },
      {
        "slug": "arl6ip1",
        "symbol": "ARL6IP1",
        "name": "ARL6 interacting reticulophagy regulator 1",
        "shared": 2,
        "url": "https://dantelabs.com/hu/genes/arl6ip1"
      },
      {
        "slug": "atl1",
        "symbol": "ATL1",
        "name": "atlastin GTPase 1",
        "shared": 2,
        "url": "https://dantelabs.com/hu/genes/atl1"
      },
      {
        "slug": "atp13a2",
        "symbol": "ATP13A2",
        "name": "ATPase cation transporting 13A2",
        "shared": 2,
        "url": "https://dantelabs.com/hu/genes/atp13a2"
      },
      {
        "slug": "b4galnt1",
        "symbol": "B4GALNT1",
        "name": "beta-1,4-N-acetyl-galactosaminyltransferase 1",
        "shared": 2,
        "url": "https://dantelabs.com/hu/genes/b4galnt1"
      }
    ],
    "sources": {
      "bundleId": "2026.10.18-8b139e39",
      "panel": "2026-10-18",
      "acmgSf": "SF v3.2"
    },
    "locusKind": "proteinCoding"
  },
  "variants": {
    "total": 0,
    "url": null,
    "items": []
  }
}