{
  "url": "https://dantelabs.com/genes/brca1/variants/v340sfs6",
  "gene": {
    "slug": "brca1",
    "symbol": "BRCA1",
    "hgnc": "HGNC:1100",
    "url": "https://dantelabs.com/genes/brca1"
  },
  "variant": {
    "bundleId": "2026.10.17-8666dff2",
    "bundleDate": "2026-10-17",
    "gene": {
      "slug": "brca1",
      "symbol": "BRCA1",
      "hgnc": "HGNC:1100"
    },
    "slug": "v340sfs6",
    "name": "V340Sfs*6",
    "formerSlugs": [],
    "sources": [
      {
        "source": "clinvar",
        "release": "2026-10-12"
      },
      {
        "source": "mondo",
        "release": "2026-10-06"
      },
      {
        "source": "hgnc",
        "release": "2026-10-16"
      },
      {
        "source": "clingen",
        "release": "2026-10-17-c4908f54"
      },
      {
        "source": "dbsnp",
        "release": "b157"
      },
      {
        "source": "genedisease",
        "release": "2026-10-17"
      },
      {
        "source": "giab",
        "release": "v3.6"
      },
      {
        "source": "mane",
        "release": "v1.5"
      },
      {
        "source": "mehari",
        "release": "0.11.0"
      }
    ],
    "status": "active",
    "commonName": null,
    "clinvarName": "NM_007294.4(BRCA1):c.1017_1018insA (p.Val340fs)",
    "classification": "pathogenic",
    "stars": 3,
    "tier": "expert",
    "otherNames": [
      "1136insA"
    ],
    "aliases": [
      "val340serfster6",
      "c-1017to1018insa",
      "ca10589972",
      "1136insa"
    ],
    "changedAt": "2026-10-17",
    "identifiers": {
      "allele": "CA10589972",
      "rsIds": [
        "rs886039921"
      ],
      "clinvarVariationId": 266131,
      "vcv": "VCV000266131",
      "clinvarAlleleId": 261957
    },
    "locations": [
      {
        "build": "GRCh38",
        "chrom": "17",
        "pos": 43094513,
        "ref": "C",
        "alt": "CT"
      },
      {
        "build": "GRCh37",
        "chrom": "17",
        "pos": 41246530,
        "ref": "C",
        "alt": "CT"
      }
    ],
    "consequence": {
      "transcript": "NM_007294.4",
      "maneSelect": true,
      "hgvsC": "c.1017_1018insA",
      "hgvsP": "p.Val340SerfsTer6",
      "consequences": [
        "frameshift_variant",
        "frameshift_truncation"
      ],
      "impact": "high"
    },
    "classifications": [
      {
        "mondoId": "MONDO:0011450",
        "name": "breast-ovarian cancer, familial, susceptibility to, 1",
        "classification": "pathogenic",
        "stars": 3,
        "vcv": "VCV000266131",
        "submissions": 1,
        "lastEvaluated": "2016-10-18",
        "expertPanel": "Evidence-based Network for the Interpretation of Germline Mutant Alleles (ENIGMA)"
      }
    ],
    "reports": [
      {
        "slug": "hereditary-breast-ovarian-cancer",
        "diseases": [
          {
            "mondoId": "MONDO:0003582",
            "name": "Hereditary Breast and Ovarian Cancer Syndrome",
            "inheritance": "autosomal-dominant"
          },
          {
            "mondoId": "MONDO:0700268",
            "name": "BRCA1-related cancer predisposition",
            "inheritance": "autosomal-dominant"
          }
        ]
      }
    ],
    "difficultRegions": []
  },
  "reports": [
    {
      "slug": "hereditary-breast-ovarian-cancer",
      "name": "Hereditary Breast and Ovarian Cancer (BRCA1/2)",
      "diseases": [
        {
          "mondoId": "MONDO:0003582",
          "name": "Hereditary Breast and Ovarian Cancer Syndrome",
          "inheritance": "autosomal-dominant",
          "sameAsReport": false
        },
        {
          "mondoId": "MONDO:0700268",
          "name": "BRCA1-related cancer predisposition",
          "inheritance": "autosomal-dominant",
          "sameAsReport": false
        }
      ],
      "url": "https://dantelabs.com/conditions/hereditary-breast-ovarian-cancer"
    }
  ]
}