ClinVar Miner

Submissions for variant NM_006218.4(PIK3CA):c.2612A>T (p.Gln871Leu)

dbSNP: rs2108422970
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001925107 SCV002174884 uncertain significance Cowden syndrome 2021-01-07 criteria provided, single submitter clinical testing This variant is not present in population databases (ExAC no frequency). 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. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be disruptive, but these predictions have not been confirmed by published functional studies and their clinical significance is uncertain. This variant has not been reported in the literature in individuals with PIK3CA-related conditions. This sequence change replaces glutamine with leucine at codon 871 of the PIK3CA protein (p.Gln871Leu). The glutamine residue is highly conserved and there is a moderate physicochemical difference between glutamine and leucine.

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