11-108267318-C-T
Variant summary
Our verdict is Benign. The variant received -13 ACMG points: 0P and 13B. BP2_StrongBP4BA1
This summary comes from the ClinGen Evidence Repository: The ATM c.2614C>T (p.Pro872Ser) variant has a GnomAD FAF 4.6% (AFR) exceeding ATM BA1 threshold of .5% (BA1). This variant has been observed in a homozygous or compound heterozygous state (presumed and/or confirmed) in multiple individuals without Ataxia-Telangiectasia (BP2_Strong, Clinical Diagnostic Laboratories). This variant is predicted tolerated by multiple protein in silico tools (BP4). In summary, this variant meets criteria to be classified as benign. ACMG/AMP criteria applied, as specified by the HBOP Variant Curation Expert Panel. LINK:https://erepo.genome.network/evrepo/ui/classification/CA157083/MONDO:0016419/020
Frequency
Consequence
NM_000051.4 missense
Scores
Clinical Significance
Conservation
Publications
- hereditary breast carcinomaInheritance: AD Classification: DEFINITIVE Submitted by: Ambry Genetics, ClinGen
- ataxia telangiectasiaInheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Ambry Genetics, Genomics England PanelApp, Labcorp Genetics (formerly Invitae), G2P, ClinGen, Laboratory for Molecular Medicine, Orphanet
- hereditary nonpolyposis colon cancerInheritance: AD Classification: MODERATE, LIMITED Submitted by: ClinGen, Ambry Genetics
- prostate cancerInheritance: AD Classification: MODERATE Submitted by: Ambry Genetics
- sarcomaInheritance: AD Classification: MODERATE Submitted by: Genomics England PanelApp
- familial ovarian cancerInheritance: AD Classification: LIMITED Submitted by: ClinGen
- gastric carcinomaInheritance: AD Classification: LIMITED Submitted by: Ambry Genetics
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ACMG classification
Our verdict: Benign. The variant received -13 ACMG points.
Transcripts
RefSeq
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|
| ATM | NM_000051.4 | c.2614C>T | p.Pro872Ser | missense_variant | Exon 17 of 63 | ENST00000675843.1 | NP_000042.3 |
Ensembl
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | TSL | MANE | Protein | Appris | UniProt |
|---|---|---|---|---|---|---|---|---|---|---|
| ATM | ENST00000675843.1 | c.2614C>T | p.Pro872Ser | missense_variant | Exon 17 of 63 | NM_000051.4 | ENSP00000501606.1 |
Frequencies
GnomAD3 genomes AF: 0.0128 AC: 1946AN: 152006Hom.: 53 Cov.: 32 show subpopulations
GnomAD2 exomes AF: 0.00353 AC: 888AN: 251426 AF XY: 0.00251 show subpopulations
GnomAD4 exome AF: 0.00133 AC: 1943AN: 1461778Hom.: 39 Cov.: 31 AF XY: 0.00118 AC XY: 861AN XY: 727190 show subpopulations
Age Distribution
GnomAD4 genome AF: 0.0128 AC: 1953AN: 152126Hom.: 53 Cov.: 32 AF XY: 0.0117 AC XY: 873AN XY: 74378 show subpopulations
Age Distribution
ClinVar
Submissions by phenotype
not specified Benign:9Other:1
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This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. -
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not provided Benign:6
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ATM: BP4, BS1, BS2 -
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Hereditary cancer-predisposing syndrome Benign:4
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This alteration is classified as 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. -
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Ataxia-telangiectasia syndrome Benign:3
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This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). Publications were found based on this search. The evidence from the literature, in combination with allele frequency data from public databases where available, was sufficient to determine this variant is unlikely to cause disease. Therefore, this variant is classified as likely benign. -
Familial cancer of breast Benign:3
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The ATM c.2614C>T (p.Pro872Ser) variant has a GnomAD FAF 4.6% (AFR) exceeding ATM BA1 threshold of .5% (BA1). This variant has been observed in a homozygous or compound heterozygous state (presumed and/or confirmed) in multiple individuals without Ataxia-Telangiectasia (BP2_Strong, Clinical Diagnostic Laboratories). This variant is predicted tolerated by multiple protein in silico tools (BP4). In summary, this variant meets criteria to be classified as benign. ACMG/AMP criteria applied, as specified by the HBOP Variant Curation Expert Panel. -
This variant is considered benign. This variant is strongly associated with less severe personal and family histories of cancer, typical for individuals without pathogenic variants in this gene [PMID: 25085752]. This variant has been observed at a population frequency that is significantly greater than expected given the associated disease prevalence and penetrance. -
Breast and/or ovarian cancer Benign:1
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Ataxia-telangiectasia syndrome;C0346153:Familial cancer of breast Benign:1
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Malignant tumor of breast Benign:1
The ATM p.Pro872Ser variant was identified in 10 of 1192 proband chromosomes (frequency: 0.008) from individuals or families with breast cancer, multiple myeloma and from breast cancer tumors and was not identified in 200 control chromosomes from healthy individuals (Austen 2008, Rodriguez 2002, Bretsky 2003). The variant was also identified in the following databases: dbSNP (ID: rs3218673) as “With other allele”, in ClinVar (classified as 5x benign and 1x likely benign), Clinvitae (classified as 5x benign and 1x conflicting interpretations of pathogenicity), and Cosmic (1x as neutral). The variant was not identified in the MutDB, LOVD 3.0, or ATM-LOVD databases. The variant was identified in control databases in 1212 of 277156 (32 homozygous) chromosomes at a frequency of 0.004 increasing the likelihood this could be a low frequency benign variant (Genome Aggregation Consortium Feb 27, 2017). The variant was identified in the following populations at a frequency greater than 1%: African in 1102 of 24020 chromosomes (freq: 0.046). The p.Pro872Ser residue is not conserved in mammals and four out of five computational analyses (PolyPhen-2, SIFT, AlignGVGD, BLOSUM, MutationTaster) do not suggest a high likelihood of impact to the protein; however, this information is not predictive enough to rule out pathogenicity. The variant occurs outside of the splicing consensus sequence and in silico or computational prediction software programs (SpliceSiteFinder, MaxEntScan, NNSPLICE, GeneSplicer, HumanSpliceFinder) do not predict a difference in splicing. In summary, based on the above information this variant meets our laboratory's criteria to be classified as benign. -
Hereditary breast ovarian cancer syndrome Benign:1
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Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at