ClinVar Miner

Submissions for variant NM_000251.3(MSH2):c.412A>G (p.Asn138Asp)

dbSNP: rs1553350673
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Color Diagnostics, LLC DBA Color Health RCV000580456 SCV000685091 uncertain significance Hereditary cancer-predisposing syndrome 2020-01-27 criteria provided, single submitter clinical testing This missense variant replaces asparagine with aspartic acid at codon 138 of the MSH2 protein. Computational prediction suggests that this variant may not impact protein structure and function (internally defined REVEL score threshold <= 0.5, PMID: 27666373). Splice site prediction tools suggest that this variant may not impact RNA splicing. To our knowledge, functional studies have not been performed for this variant. This variant has not been reported in individuals affected with hereditary cancer in the literature. This variant has not been identified in the general population by the Genome Aggregation Database (gnomAD). The available evidence is insufficient to determine the role of this variant in disease conclusively. Therefore, this variant is classified as a Variant of Uncertain Significance.
Ambry Genetics RCV000580456 SCV002628542 uncertain significance Hereditary cancer-predisposing syndrome 2021-03-18 criteria provided, single submitter clinical testing The p.N138D variant (also known as c.412A>G), located in coding exon 3 of the MSH2 gene, results from an A to G substitution at nucleotide position 412. The asparagine at codon 138 is replaced by aspartic acid, an amino acid with highly similar properties. This amino acid position is not well conserved in available vertebrate species. In addition, the in silico prediction for this alteration is inconclusive. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

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