NM_000051.4:c.8292_8293delTG
Variant summary
Our verdict is Pathogenic. Variant got 18 ACMG points: 18P and 0B. PVS1PM2PP5_Very_Strong
The NM_000051.4(ATM):c.8292_8293delTG(p.Ser2764ArgfsTer4) variant causes a frameshift change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000186 in 1,613,880 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Likely pathogenic (★★). Variant results in nonsense mediated mRNA decay.
Frequency
Consequence
NM_000051.4 frameshift
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Pathogenic. Variant got 18 ACMG points.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
ATM | NM_000051.4 | c.8292_8293delTG | p.Ser2764ArgfsTer4 | frameshift_variant | Exon 57 of 63 | ENST00000675843.1 | NP_000042.3 |
Ensembl
Frequencies
GnomAD3 genomes AF: 0.00000657 AC: 1AN: 152154Hom.: 0 Cov.: 32
GnomAD3 exomes AF: 0.00000398 AC: 1AN: 251372Hom.: 0 AF XY: 0.00 AC XY: 0AN XY: 135850
GnomAD4 exome AF: 0.00000137 AC: 2AN: 1461726Hom.: 0 AF XY: 0.00 AC XY: 0AN XY: 727164
GnomAD4 genome AF: 0.00000657 AC: 1AN: 152154Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0AN XY: 74338
ClinVar
Submissions by phenotype
Hereditary cancer-predisposing syndrome Pathogenic:3
The c.8292_8293delTG pathogenic mutation, located in coding exon 56 of the ATM gene, results from a deletion of two nucleotides at nucleotide positions 8292 to 8293, causing a translational frameshift with a predicted alternate stop codon (p.S2764Rfs*4). This alteration is expected to result in loss of function by premature protein truncation or nonsense-mediated mRNA decay. As such, this alteration is interpreted as a disease-causing mutation. -
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This variant deletes 2 nucleotides in exon 57 of the ATM gene, creating a frameshift and premature translation stop signal. This variant is expected to result in an absent or non-functional protein product. To our knowledge, this variant has not been reported in individuals affected with hereditary cancer in the literature. This variant has been identified in 2/282764 chromosomes in the general population by the Genome Aggregation Database (gnomAD). Loss of ATM function is a known mechanism of disease (clinicalgenome.org). Based on the available evidence, this variant is classified as Pathogenic. -
Ataxia-telangiectasia syndrome Pathogenic:2
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This sequence change creates a premature translational stop signal (p.Ser2764Argfs*4) in the ATM gene. It is expected to result in an absent or disrupted protein product. Loss-of-function variants in ATM are known to be pathogenic (PMID: 23807571, 25614872). This variant is present in population databases (no rsID available, gnomAD 0.002%). This premature translational stop signal has been observed in individual(s) with breast cancer (PMID: 35264596). ClinVar contains an entry for this variant (Variation ID: 245989). For these reasons, this variant has been classified as Pathogenic. -
Familial cancer of breast Pathogenic:2
This variant is considered pathogenic. This variant creates a frameshift predicted to result in premature protein truncation. -
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not provided Pathogenic:1
Frameshift variant predicted to result in protein truncation or nonsense mediated decay in a gene for which loss-of-function is a known mechanism of disease; Truncating variants in this gene are considered pathogenic by a well-established clinical consortium and/or database; Observed in individuals with breast cancer or Ewing sarcoma (Guindalini et al., 2022; Morfouace et al., 2023); Not observed at significant frequency in large population cohorts (gnomAD); This variant is associated with the following publications: (PMID: 36470093, 34887416, 29922827, 35264596) -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at