ClinVar Miner

Submissions for variant NM_000179.3(MSH6):c.1192G>A (p.Val398Met)

gnomAD frequency: 0.00001  dbSNP: rs780350978
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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Ambry Genetics RCV000216691 SCV000275362 uncertain significance Hereditary cancer-predisposing syndrome 2022-02-28 criteria provided, single submitter clinical testing The p.V398M variant (also known as c.1192G>A), located in coding exon 4 of the MSH6 gene, results from a G to A substitution at nucleotide position 1192. The valine at codon 398 is replaced by methionine, an amino acid with highly similar properties. This amino acid position is highly conserved in available vertebrate species. In addition, this alteration is predicted to be deleterious by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.
Color Diagnostics, LLC DBA Color Health RCV000216691 SCV000908526 uncertain significance Hereditary cancer-predisposing syndrome 2018-11-25 criteria provided, single submitter clinical testing
Invitae RCV001853549 SCV002155657 uncertain significance Hereditary nonpolyposis colorectal neoplasms 2022-02-05 criteria provided, single submitter clinical testing This sequence change replaces valine, which is neutral and non-polar, with methionine, which is neutral and non-polar, at codon 398 of the MSH6 protein (p.Val398Met). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with MSH6-related conditions. ClinVar contains an entry for this variant (Variation ID: 231493). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is expected to disrupt MSH6 protein function. 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.
All of Us Research Program, National Institutes of Health RCV003997902 SCV004843148 uncertain significance Lynch syndrome 2023-04-15 criteria provided, single submitter clinical testing

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