ClinVar Miner

Submissions for variant NM_007194.4(CHEK2):c.698A>G (p.Glu233Gly)

dbSNP: rs1601783933
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Ambry Genetics RCV001025883 SCV001188158 uncertain significance Hereditary cancer-predisposing syndrome 2018-12-21 criteria provided, single submitter clinical testing The p.E233G variant (also known as c.698A>G), located in coding exon 5 of the CHEK2 gene, results from an A to G substitution at nucleotide position 698. The glutamic acid at codon 233 is replaced by glycine, an amino acid with similar properties. This amino acid position is highly conserved in available vertebrate species. In addition, the in silico prediction for this alteration is inconclusive. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.
GeneDx RCV001759714 SCV002007326 uncertain significance not provided 2019-06-11 criteria provided, single submitter clinical testing Not observed in large population cohorts (Lek et al., 2016); In silico analysis, which includes protein predictors and evolutionary conservation, supports a deleterious effect; Has not been previously published as pathogenic or benign to our knowledge
Invitae RCV002551942 SCV003487275 uncertain significance Familial cancer of breast 2022-04-24 criteria provided, single submitter clinical testing This sequence change replaces glutamic acid, which is acidic and polar, with glycine, which is neutral and non-polar, at codon 233 of the CHEK2 protein (p.Glu233Gly). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with CHEK2-related conditions. ClinVar contains an entry for this variant (Variation ID: 826751). Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). 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.

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