ClinVar Miner

Submissions for variant NM_000251.3(MSH2):c.2640_2641dup (p.Glu881fs)

dbSNP: rs1667576996
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001232136 SCV001404682 pathogenic Hereditary nonpolyposis colorectal neoplasms 2019-07-31 criteria provided, single submitter clinical testing This sequence change results in a premature translational stop signal in the MSH2 gene (p.Glu881Valfs*12). While this is not anticipated to result in nonsense mediated decay, it is expected to disrupt the last 54 amino acids of the MSH2 protein. While this variant is not expected to result in nonsense mediated decay, it is expected to disrupt nearly the entire C-terminal portion of the MSH6 and MSH3 interaction domains of the MSH2 protein, as well as the helix-turn-helix domain (disrupted residues Ile883-Thr934) (PMID: 9774676, 18822302, 17531815). Other variant(s) that disrupt this region (p.Leu888Cysfs*4) have been determined to be pathogenic (PMID: 9222765, 8640829, 21879275, Invitae). This suggests that variants that disrupt this region of the protein are likely to be causative of disease. For these reasons, this variant has been classified as Pathogenic. This variant has not been reported in the literature in individuals with MSH2-related conditions. This variant is not present in population databases (ExAC no frequency).

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