ClinVar Miner

Submissions for variant NM_007194.4(CHEK2):c.772A>T (p.Ile258Phe)

dbSNP: rs876658690
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000466753 SCV000550436 uncertain significance Familial cancer of breast 2016-10-16 criteria provided, single submitter clinical testing In summary, this variant is a novel missense change that is not predicted to affect protein function. There is no indication that it causes disease, but the available evidence is currently insufficient to prove that conclusively. 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 tolerated, but these predictions have not been confirmed by published functional studies. This variant is not present in population databases (ExAC no frequency) and has not been reported in the literature in individuals with a CHEK2-related disease. This sequence change replaces isoleucine with phenylalanine at codon 258 of the CHEK2 protein (p.Ile258Phe). The isoleucine residue is weakly conserved and there is a small physicochemical difference between isoleucine and phenylalanine.

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