{
  "url": "https://dantelabs.com/hu/genes/smn1",
  "gene": {
    "slug": "smn1",
    "symbol": "SMN1",
    "name": "survival of motor neuron 1, telomeric",
    "hgnc": "HGNC:11117",
    "summary": null,
    "location": "5q13.2",
    "locusType": "gene with protein product",
    "aliases": [
      "BCD541",
      "SMNT",
      "SMA1",
      "SMA2",
      "SMA3",
      "GEMIN1",
      "TDRD16A"
    ],
    "previousSymbols": [
      "SMA@",
      "SMA"
    ],
    "ensemblId": "ENSG00000172062",
    "entrezId": 6606,
    "omim": [
      "600354"
    ],
    "uniprot": [
      "Q16637"
    ],
    "model": {
      "build": "GRCh38",
      "release": "v1.5",
      "chrom": "5",
      "start": 70925087,
      "end": 70953015,
      "strand": "+",
      "ensemblTranscript": "ENST00000380707.9",
      "refseqTranscript": "NM_000344.4",
      "ensemblProtein": "ENSP00000370083.4",
      "refseqProtein": "NP_000335.1",
      "exons": [
        {
          "start": 70925087,
          "end": 70925184
        },
        {
          "start": 70938839,
          "end": 70938910
        },
        {
          "start": 70941389,
          "end": 70941508
        },
        {
          "start": 70942358,
          "end": 70942558
        },
        {
          "start": 70942718,
          "end": 70942870
        },
        {
          "start": 70944658,
          "end": 70944753
        },
        {
          "start": 70946066,
          "end": 70946176
        },
        {
          "start": 70951941,
          "end": 70951994
        },
        {
          "start": 70952439,
          "end": 70953015
        }
      ],
      "cds": {
        "start": 70925104,
        "end": 70951991
      }
    },
    "grch37": {
      "build": "GRCh37",
      "release": "87",
      "chrom": "5",
      "start": 70220768,
      "end": 70249769,
      "strand": "+"
    },
    "neighbourhood": {
      "release": "116",
      "start": 70439051,
      "end": 71439050,
      "genes": [
        {
          "symbol": "",
          "ensemblId": "ENSG00000293691",
          "biotype": "protein_coding",
          "start": 70487719,
          "end": 70491228,
          "strand": "+"
        },
        {
          "symbol": "",
          "ensemblId": "ENSG00000293689",
          "biotype": "protein_coding",
          "start": 70508196,
          "end": 70512509,
          "strand": "+"
        },
        {
          "symbol": "SERF1A",
          "ensemblId": "ENSG00000172058",
          "biotype": "protein_coding",
          "start": 70900669,
          "end": 70918530,
          "strand": "+",
          "slug": "serf1a"
        },
        {
          "symbol": "NAIP",
          "ensemblId": "ENSG00000249437",
          "biotype": "protein_coding",
          "start": 70968166,
          "end": 71025339,
          "strand": "-",
          "slug": "naip"
        },
        {
          "symbol": "GTF2H2",
          "ensemblId": "ENSG00000145736",
          "biotype": "protein_coding",
          "start": 71034962,
          "end": 71067723,
          "strand": "-",
          "slug": "gtf2h2"
        }
      ],
      "truncated": false
    },
    "reports": [
      {
        "slug": "spinal-muscular-atrophy",
        "name": "Spinal Muscular Atrophy",
        "diseases": [
          {
            "mondoId": "MONDO:0001516",
            "name": "Spinal Muscular Atrophy",
            "genes": 28,
            "inheritance": null,
            "description": "A group of disorders characterised by degeneration of spinal cord anterior horn cells, leading to progressive muscle weakness and atrophy.",
            "management": "Gene therapy (onasemnogene abeparvovec), antisense oligonucleotide therapy (nusinersen), oral splicing modifier (risdiplam), supportive care",
            "evidence": {
              "gencc": [
                "Ambry Genetics",
                "Genomics England PanelApp",
                "Labcorp Genetics (formerly Invitae)",
                "Myriad Women's Health",
                "Natera",
                "PanelApp Australia"
              ],
              "acmgSf": false,
              "inheritance": [
                "autosomal-recessive"
              ]
            },
            "sameAsReport": true,
            "broad": false
          }
        ],
        "url": "https://dantelabs.com/hu/conditions/spinal-muscular-atrophy"
      },
      {
        "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": [
                "Ambry Genetics",
                "Genomics England PanelApp",
                "Labcorp Genetics (formerly Invitae)",
                "Myriad Women's Health",
                "Natera",
                "PanelApp Australia"
              ],
              "acmgSf": false,
              "inheritance": [
                "autosomal-recessive"
              ]
            },
            "sameAsReport": false,
            "broad": true
          }
        ],
        "url": "https://dantelabs.com/hu/conditions/inherited-neurodegenerative-disorders-selected-genes"
      },
      {
        "slug": "rare-hereditary-peripheral-neuropathies",
        "name": "Rare Hereditary Peripheral Neuropathies",
        "diseases": [
          {
            "mondoId": "MONDO:0020127",
            "name": "Hereditary Peripheral Neuropathy",
            "genes": 233,
            "inheritance": null,
            "description": "Caused by changes in one of many genes needed to keep long nerve fibres healthy. In this report these include IGHMBP2 and PLEKHG5, which are recessive.",
            "management": "Physiotherapy, orthoses and occupational therapy help maintain mobility, with surgery for foot deformities when needed. Some forms need breathing monitoring. Genetic counselling guides family testing according to the inheritance pattern of the gene involved.",
            "evidence": {
              "gencc": [
                "Ambry Genetics",
                "Genomics England PanelApp",
                "Labcorp Genetics (formerly Invitae)",
                "Natera",
                "PanelApp Australia"
              ],
              "acmgSf": false,
              "inheritance": [
                "autosomal-recessive"
              ]
            },
            "sameAsReport": false,
            "broad": true
          }
        ],
        "url": "https://dantelabs.com/hu/conditions/rare-hereditary-peripheral-neuropathies"
      }
    ],
    "pharmacogenomics": [],
    "traits": [],
    "phenotypes": [
      {
        "slug": "absent-achilles-reflex",
        "name": "Absent ankle reflexes",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/absent-achilles-reflex"
      },
      {
        "slug": "absent-patellar-reflexes",
        "name": "Absent knee jerk reflex",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/absent-patellar-reflexes"
      },
      {
        "slug": "areflexia",
        "name": "Absent reflexes",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "url": "https://dantelabs.com/traits/areflexia"
      },
      {
        "slug": "atrial-septal-defect",
        "name": "An opening in the wall separating the top two chambers of the heart",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "url": "https://dantelabs.com/traits/atrial-septal-defect"
      },
      {
        "slug": "angulated-muscle-fibers",
        "name": "Angulated muscle fibers",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/angulated-muscle-fibers"
      },
      {
        "slug": "areflexia-of-lower-limbs",
        "name": "Areflexia of lower limbs",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-nervous-system"
        ],
        "url": "https://dantelabs.com/traits/areflexia-of-lower-limbs"
      },
      {
        "slug": "centrally-nucleated-skeletal-muscle-fibers",
        "name": "Centrally nucleated skeletal muscle fibers",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/centrally-nucleated-skeletal-muscle-fibers"
      },
      {
        "slug": "hyporeflexia",
        "name": "Decreased reflex response",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "url": "https://dantelabs.com/traits/hyporeflexia"
      },
      {
        "slug": "degeneration-of-anterior-horn-cells",
        "name": "Degeneration of anterior horn cells",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "url": "https://dantelabs.com/traits/degeneration-of-anterior-horn-cells"
      },
      {
        "slug": "distal-amyotrophy",
        "name": "Distal muscle wasting",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/distal-amyotrophy"
      },
      {
        "slug": "emg-abnormality",
        "name": "EMG abnormality",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/emg-abnormality"
      },
      {
        "slug": "emg-chronic-denervation-signs",
        "name": "EMG: chronic denervation signs",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/emg-chronic-denervation-signs"
      },
      {
        "slug": "emg-neuropathic-changes",
        "name": "EMG: neuropathic changes",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/emg-neuropathic-changes"
      },
      {
        "slug": "generalized-hypotonia",
        "name": "Generalized decreased muscle tone",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/generalized-hypotonia"
      },
      {
        "slug": "hand-tremor",
        "name": "Hand tremor",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/hand-tremor"
      },
      {
        "slug": "ventricular-septal-defect",
        "name": "Hole in heart wall separating two lower heart chambers",
        "systems": [
          "abnormality-of-the-cardiovascular-system"
        ],
        "url": "https://dantelabs.com/traits/ventricular-septal-defect"
      },
      {
        "slug": "calf-muscle-hypertrophy",
        "name": "Increased size of calf muscles",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/calf-muscle-hypertrophy"
      },
      {
        "slug": "increased-variability-in-muscle-fiber-diameter",
        "name": "Increased variability in muscle fiber diameter",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/increased-variability-in-muscle-fiber-diameter"
      },
      {
        "slug": "decreased-fetal-movement",
        "name": "Less than 10 fetal movements in 12 hours",
        "systems": [
          "abnormality-of-prenatal-development-or-birth"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/decreased-fetal-movement"
      },
      {
        "slug": "limb-fasciculations",
        "name": "Limb fasciculations",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-nervous-system"
        ],
        "url": "https://dantelabs.com/traits/limb-fasciculations"
      },
      {
        "slug": "loss-of-ambulation",
        "name": "Loss of ability to walk",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/loss-of-ambulation"
      },
      {
        "slug": "lower-limb-muscle-weakness",
        "name": "Lower limb muscle weakness",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/lower-limb-muscle-weakness"
      },
      {
        "slug": "skeletal-muscle-atrophy",
        "name": "Muscle degeneration",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/skeletal-muscle-atrophy"
      },
      {
        "slug": "muscle-fiber-necrosis",
        "name": "Muscle fiber necrosis",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/muscle-fiber-necrosis"
      },
      {
        "slug": "muscle-spasm",
        "name": "Muscle spasm",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/muscle-spasm"
      },
      {
        "slug": "muscle-weakness",
        "name": "Muscle weakness",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/muscle-weakness"
      },
      {
        "slug": "pelvic-girdle-amyotrophy",
        "name": "Pelvic girdle amyotrophy",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/pelvic-girdle-amyotrophy"
      },
      {
        "slug": "pelvic-girdle-muscle-weakness",
        "name": "Pelvic girdle muscle weakness",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/pelvic-girdle-muscle-weakness"
      },
      {
        "slug": "poor-head-control",
        "name": "Poor head control",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/poor-head-control"
      },
      {
        "slug": "proximal-lower-limb-muscle-weakness",
        "name": "Proximal lower limb muscle weakness",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/proximal-lower-limb-muscle-weakness"
      },
      {
        "slug": "proximal-muscle-weakness",
        "name": "Proximal neurogenic muscle weakness",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/proximal-muscle-weakness"
      },
      {
        "slug": "recurrent-respiratory-infections",
        "name": "Recurrent respiratory infections",
        "systems": [
          "abnormality-of-the-immune-system",
          "abnormality-of-the-respiratory-system"
        ],
        "url": "https://dantelabs.com/traits/recurrent-respiratory-infections"
      },
      {
        "slug": "respiratory-failure",
        "name": "Respiratory failure",
        "systems": [
          "abnormality-of-the-respiratory-system"
        ],
        "url": "https://dantelabs.com/traits/respiratory-failure"
      },
      {
        "slug": "respiratory-insufficiency",
        "name": "Respiratory function loss",
        "systems": [
          "abnormality-of-the-respiratory-system"
        ],
        "url": "https://dantelabs.com/traits/respiratory-insufficiency"
      },
      {
        "slug": "rimmed-vacuoles",
        "name": "Rimmed vacuoles",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/rimmed-vacuoles"
      },
      {
        "slug": "shoulder-girdle-muscle-atrophy",
        "name": "Shoulder girdle muscle wasting",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/shoulder-girdle-muscle-atrophy"
      },
      {
        "slug": "spinal-muscular-atrophy",
        "name": "Spinal muscle degeneration",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/spinal-muscular-atrophy"
      },
      {
        "slug": "tongue-fasciculations",
        "name": "Tongue twitching",
        "systems": [
          "abnormality-of-head-or-neck",
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/tongue-fasciculations"
      },
      {
        "slug": "type-1-muscle-fiber-predominance",
        "name": "Type 1 muscle fiber predominance",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/type-1-muscle-fiber-predominance"
      },
      {
        "slug": "waddling-gait",
        "name": "Waddling gait",
        "systems": [
          "abnormality-of-the-nervous-system"
        ],
        "frequency": "frequent",
        "url": "https://dantelabs.com/traits/waddling-gait"
      },
      {
        "slug": "proximal-amyotrophy",
        "name": "Wasting of muscles near the body",
        "systems": [
          "abnormality-of-the-musculoskeletal-system"
        ],
        "url": "https://dantelabs.com/traits/proximal-amyotrophy"
      },
      {
        "slug": "quadriceps-muscle-atrophy",
        "name": "Wasting of quad muscles",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "very-frequent",
        "url": "https://dantelabs.com/traits/quadriceps-muscle-atrophy"
      },
      {
        "slug": "proximal-lower-limb-amyotrophy",
        "name": "Wasting of thigh muscle",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/proximal-lower-limb-amyotrophy"
      },
      {
        "slug": "shoulder-girdle-muscle-weakness",
        "name": "Weak shoulder muscles",
        "systems": [
          "abnormality-of-limbs",
          "abnormality-of-the-musculoskeletal-system"
        ],
        "frequency": "obligate",
        "url": "https://dantelabs.com/traits/shoulder-girdle-muscle-weakness"
      }
    ],
    "related": [
      {
        "slug": "atp7a",
        "symbol": "ATP7A",
        "name": "ATPase copper transporting alpha",
        "shared": 3,
        "url": "https://dantelabs.com/hu/genes/atp7a"
      },
      {
        "slug": "bicd2",
        "symbol": "BICD2",
        "name": "BICD cargo adaptor 2",
        "shared": 3,
        "url": "https://dantelabs.com/hu/genes/bicd2"
      },
      {
        "slug": "bscl2",
        "symbol": "BSCL2",
        "name": "BSCL2 lipid droplet biogenesis associated, seipin",
        "shared": 3,
        "url": "https://dantelabs.com/hu/genes/bscl2"
      },
      {
        "slug": "chchd10",
        "symbol": "CHCHD10",
        "name": "coiled-coil-helix-coiled-coil-helix domain containing 10",
        "shared": 3,
        "url": "https://dantelabs.com/hu/genes/chchd10"
      },
      {
        "slug": "dctn1",
        "symbol": "DCTN1",
        "name": "dynactin subunit 1",
        "shared": 3,
        "url": "https://dantelabs.com/hu/genes/dctn1"
      },
      {
        "slug": "dnajb2",
        "symbol": "DNAJB2",
        "name": "DnaJ heat shock protein family (Hsp40) member B2",
        "shared": 3,
        "url": "https://dantelabs.com/hu/genes/dnajb2"
      },
      {
        "slug": "dync1h1",
        "symbol": "DYNC1H1",
        "name": "dynein cytoplasmic 1 heavy chain 1",
        "shared": 3,
        "url": "https://dantelabs.com/hu/genes/dync1h1"
      },
      {
        "slug": "emilin1",
        "symbol": "EMILIN1",
        "name": "elastin microfibril interfacer 1",
        "shared": 3,
        "url": "https://dantelabs.com/hu/genes/emilin1"
      },
      {
        "slug": "fbxo38",
        "symbol": "FBXO38",
        "name": "F-box protein 38",
        "shared": 3,
        "url": "https://dantelabs.com/hu/genes/fbxo38"
      },
      {
        "slug": "gars1",
        "symbol": "GARS1",
        "name": "glycyl-tRNA synthetase 1",
        "shared": 3,
        "url": "https://dantelabs.com/hu/genes/gars1"
      },
      {
        "slug": "hspb8",
        "symbol": "HSPB8",
        "name": "heat shock protein family B (small) member 8",
        "shared": 3,
        "url": "https://dantelabs.com/hu/genes/hspb8"
      },
      {
        "slug": "ighmbp2",
        "symbol": "IGHMBP2",
        "name": "immunoglobulin mu DNA binding protein 2",
        "shared": 3,
        "url": "https://dantelabs.com/hu/genes/ighmbp2"
      }
    ],
    "sources": {
      "bundleId": "2026.10.19-9814e911",
      "panel": "2026-10-19",
      "acmgSf": "SF v3.2"
    },
    "locusKind": "proteinCoding"
  },
  "variants": {
    "total": 0,
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