ClinVar Miner

Submissions for variant NM_000179.2(MSH6):c.199C>A (p.Pro67Thr) (rs878853712)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000227237 SCV000283739 uncertain significance Hereditary nonpolyposis colon cancer 2018-04-20 criteria provided, single submitter clinical testing This sequence change replaces proline with threonine at codon 67 of the MSH6 protein (p.Pro67Thr). The proline residue is weakly conserved and there is a small physicochemical difference between proline and threonine. While this variant is not present in population databases, the frequency information is unreliable, as metrics indicate poor data quality at this position in the ExAC database. This variant has not been reported in the literature in individuals with MSH6-related disease. ClinVar contains an entry for this variant (Variation ID: 237149). 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. 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.
Ambry Genetics RCV000567571 SCV000662466 uncertain significance Hereditary cancer-predisposing syndrome 2016-04-15 criteria provided, single submitter clinical testing Lines of evidence used in support of classification: Insufficient or conflicting evidence

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