ClinVar Miner

Submissions for variant NM_007194.4(CHEK2):c.870C>A (p.Asn290Lys)

dbSNP: rs2052980129
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001209602 SCV001381045 uncertain significance Familial cancer of breast 2019-08-15 criteria provided, single submitter clinical testing This sequence change replaces asparagine with lysine at codon 290 of the CHEK2 protein (p.Asn290Lys). The asparagine residue is weakly conserved and there is a moderate physicochemical difference between asparagine and lysine. 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 tolerated, 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 CHEK2-related conditions. This variant is not present in population databases (ExAC no frequency).

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