11-108272817-CCAAGTTCG-C
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Variant summary
Our verdict is Pathogenic. Variant got 18 ACMG points: 18P and 0B. PVS1PM2PP5_Very_Strong
The NM_000051.4(ATM):βc.3252_3259delβ(p.Gln1084HisfsTer9) variant causes a frameshift change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000657 in 152,144 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Pathogenic (β β ). Variant results in nonsense mediated mRNA decay.
Frequency
Genomes: π 0.0000066 ( 0 hom., cov: 32)
Consequence
ATM
NM_000051.4 frameshift
NM_000051.4 frameshift
Scores
Not classified
Clinical Significance
Conservation
PhyloP100: 8.05
Genes affected
ATM (HGNC:795): (ATM serine/threonine kinase) The protein encoded by this gene belongs to the PI3/PI4-kinase family. This protein is an important cell cycle checkpoint kinase that phosphorylates; thus, it functions as a regulator of a wide variety of downstream proteins, including tumor suppressor proteins p53 and BRCA1, checkpoint kinase CHK2, checkpoint proteins RAD17 and RAD9, and DNA repair protein NBS1. This protein and the closely related kinase ATR are thought to be master controllers of cell cycle checkpoint signaling pathways that are required for cell response to DNA damage and for genome stability. Mutations in this gene are associated with ataxia telangiectasia, an autosomal recessive disorder. [provided by RefSeq, Aug 2010]
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ACMG classification
Classification made for transcript
Verdict is Pathogenic. Variant got 18 ACMG points.
PVS1
Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 11-108272817-CCAAGTTCG-C is Pathogenic according to our data. Variant chr11-108272817-CCAAGTTCG-C is described in ClinVar as [Pathogenic]. Clinvar id is 230124.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
ATM | NM_000051.4 | c.3252_3259del | p.Gln1084HisfsTer9 | frameshift_variant | 22/63 | ENST00000675843.1 | NP_000042.3 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
ATM | ENST00000675843.1 | c.3252_3259del | p.Gln1084HisfsTer9 | frameshift_variant | 22/63 | NM_000051.4 | ENSP00000501606 | P1 |
Frequencies
GnomAD3 genomes AF: 0.00000657 AC: 1AN: 152144Hom.: 0 Cov.: 32
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We have no GnomAD4 exomes data on this position. Probably position not covered by the project.
GnomAD4 genome AF: 0.00000657 AC: 1AN: 152144Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1AN XY: 74330
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ClinVar
Significance: Pathogenic
Submissions summary: Pathogenic:4
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
Ataxia-telangiectasia syndrome Pathogenic:1
Pathogenic, criteria provided, single submitter | clinical testing | Labcorp Genetics (formerly Invitae), Labcorp | Mar 16, 2023 | This variant has not been reported in the literature in individuals affected with ATM-related conditions. For these reasons, this variant has been classified as Pathogenic. ClinVar contains an entry for this variant (Variation ID: 230124). This variant is not present in population databases (gnomAD no frequency). This sequence change creates a premature translational stop signal (p.Gln1084Hisfs*9) 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). - |
not provided Pathogenic:1
Pathogenic, criteria provided, single submitter | clinical testing | GeneDx | Jun 22, 2023 | 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; Not observed at significant frequency in large population cohorts (gnomAD); Truncating variants in this gene are considered pathogenic by a well-established clinical consortium and/or database; Identified in a patient with ovarian cancer (Lilyquist et al., 2017); This variant is associated with the following publications: (PMID: 28888541) - |
Familial cancer of breast Pathogenic:1
Pathogenic, criteria provided, single submitter | clinical testing | Myriad Genetics, Inc. | Jan 19, 2024 | This variant is considered pathogenic. This variant creates a frameshift predicted to result in premature protein truncation. - |
Hereditary cancer-predisposing syndrome Pathogenic:1
Pathogenic, criteria provided, single submitter | clinical testing | Ambry Genetics | Jan 20, 2015 | The c.3252_3259delAGTTCGCA pathogenic mutation, located in coding exon 21 of the ATM gene, results from a deletion of 8 nucleotides at positions 3252 through 3259, causing a translational frameshift with a predicted alternate stop codon. Since frameshifts are typically deleterious in nature, this alteration is interpreted as a disease-causing mutation (ACMG Recommendations for Standards for Interpretation and Reporting of Sequence Variations. Revision 2007. Genet Med. 2008;10:294). - |
Computational scores
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Find out detailed SpliceAI scores and Pangolin per-transcript scores at