ClinVar Miner

Submissions for variant NM_001184.4(ATR):c.5257A>G (p.Ile1753Val) (rs143806447)

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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Genetic Services Laboratory, University of Chicago RCV000503118 SCV000593534 uncertain significance not specified 2016-08-22 criteria provided, single submitter clinical testing
Invitae RCV001044060 SCV001207834 uncertain significance not provided 2019-12-04 criteria provided, single submitter clinical testing This sequence change replaces isoleucine with valine at codon 1753 of the ATR protein (p.Ile1753Val). The isoleucine residue is highly conserved and there is a small physicochemical difference between isoleucine and valine. This variant is present in population databases (rs143806447, ExAC 0.1%). This variant has not been reported in the literature in individuals with ATR-related conditions. ClinVar contains an entry for this variant (Variation ID: 434450). 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: "Benign"; Align-GVGD: "Class C25"). 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.
Illumina Clinical Services Laboratory,Illumina RCV001147606 SCV001308440 uncertain significance Seckel syndrome 1 2018-01-13 criteria provided, single submitter clinical testing This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease.

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