11-108267256-A-G
Variant summary
Our verdict is Likely benign. Variant got -2 ACMG points: 0P and 2B. BP4_Moderate
The NM_000051.4(ATM):āc.2552A>Gā(p.Asp851Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000149 in 1,613,990 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).
Frequency
Consequence
NM_000051.4 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Likely_benign. Variant got -2 ACMG points.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
ATM | NM_000051.4 | c.2552A>G | p.Asp851Gly | missense_variant | Exon 17 of 63 | ENST00000675843.1 | NP_000042.3 |
Ensembl
Frequencies
GnomAD3 genomes AF: 0.0000197 AC: 3AN: 152178Hom.: 0 Cov.: 32
GnomAD3 exomes AF: 0.00000796 AC: 2AN: 251410Hom.: 0 AF XY: 0.0000147 AC XY: 2AN XY: 135878
GnomAD4 exome AF: 0.0000144 AC: 21AN: 1461812Hom.: 0 Cov.: 31 AF XY: 0.0000124 AC XY: 9AN XY: 727224
GnomAD4 genome AF: 0.0000197 AC: 3AN: 152178Hom.: 0 Cov.: 32 AF XY: 0.0000269 AC XY: 2AN XY: 74352
ClinVar
Submissions by phenotype
Hereditary cancer-predisposing syndrome Uncertain:2Benign:1
This missense variant replaces aspartic acid with glycine at codon 851 of the ATM protein. Computational prediction suggests that this variant may not impact protein structure and function (internally defined REVEL score threshold <= 0.5, PMID: 27666373). To our knowledge, functional studies have not been reported for this variant. The variant has been observed in individuals affected with breast cancer (PMID 26976419) and pancreatic cancer (PMID: 34820595). In a large international case-control study, this variant was reported in 2/60466 breast cancer cases and absent in 53461 controls (PMID: 33471991). This variant has been identified in 2/251410 chromosomes in the general population by the Genome Aggregation Database (gnomAD). The available evidence is insufficient to determine the role of this variant in disease conclusively. Therefore, this variant is classified as a Variant of Uncertain Significance. -
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This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -
Ataxia-telangiectasia syndrome Uncertain:2
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This sequence change replaces aspartic acid, which is acidic and polar, with glycine, which is neutral and non-polar, at codon 851 of the ATM protein (p.Asp851Gly). This variant is present in population databases (rs748203812, gnomAD 0.0009%). This missense change has been observed in individual(s) with breast cancer (PMID: 26976419). ClinVar contains an entry for this variant (Variation ID: 233529). Invitae Evidence Modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) indicates that this missense variant is not expected to disrupt ATM protein function with a negative predictive value of 95%. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -
Ataxia-telangiectasia syndrome;C0346153:Familial cancer of breast Uncertain:1
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not provided Uncertain:1
Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis indicates that this missense variant does not alter protein structure/function; This variant is associated with the following publications: (PMID: 29596542, 34820595, 26976419, 33471991) -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at