ClinVar Miner

Submissions for variant NM_000535.6(PMS2):c.2399C>T (p.Pro800Leu) (rs200629542)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Biesecker Lab/Human Development Section,National Institutes of Health RCV000034627 SCV000043414 variant of unknown significance not provided 2012-07-13 no assertion criteria provided research Converted during submission to Uncertain significance.
Invitae RCV000688719 SCV000816342 uncertain significance Hereditary nonpolyposis colon cancer 2018-05-12 criteria provided, single submitter clinical testing This sequence change replaces proline with leucine at codon 800 of the PMS2 protein (p.Pro800Leu). The proline residue is highly conserved and there is a moderate physicochemical difference between proline and leucine. The frequency data for this variant in the population databases (rs200629542, ExAC) is considered unreliable due to the presence of homologous sequence, such as pseudogenes or paralogs, in the genome. This variant has not been reported in the literature in individuals with PMS2-related disease. ClinVar contains an entry for this variant (Variation ID: 41712). 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 disruptive, 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.

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