ClinVar Miner

Submissions for variant NM_000179.2(MSH6):c.185G>T (p.Arg62Leu) (rs867979237)

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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Ambry Genetics RCV000223110 SCV000273586 uncertain significance Hereditary cancer-predisposing syndrome 2017-03-06 criteria provided, single submitter clinical testing Lines of evidence used in support of classification: Insufficient or conflicting evidence,In silico models in agreement (benign)
Color RCV000223110 SCV000690229 uncertain significance Hereditary cancer-predisposing syndrome 2018-08-03 criteria provided, single submitter clinical testing
Invitae RCV000816100 SCV000956590 uncertain significance Hereditary nonpolyposis colon cancer 2018-10-29 criteria provided, single submitter clinical testing This sequence change replaces arginine with leucine at codon 62 of the MSH6 protein (p.Arg62Leu). The arginine residue is weakly conserved and there is a moderate physicochemical difference between arginine and leucine. The frequency data for this variant in the population databases is considered unreliable, as metrics indicate insufficient coverage 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: 230147). 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.

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