ClinVar Miner

Submissions for variant NM_000257.4(MYH7):c.2819A>T (p.Lys940Met)

dbSNP: rs1892589863
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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Color Diagnostics, LLC DBA Color Health RCV001185208 SCV001351363 uncertain significance Cardiomyopathy 2023-04-26 criteria provided, single submitter clinical testing This missense variant replaces lysine with methionine at codon 940 of the MYH7 protein. Computational prediction suggests that this variant may have deleterious impact on protein structure and function (internally defined REVEL score threshold >= 0.7, PMID: 27666373). To our knowledge, functional studies have not been reported for this variant. This variant has not been reported in individuals affected with cardiovascular disorders 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.
Fulgent Genetics, Fulgent Genetics RCV002491544 SCV002784537 uncertain significance Hypertrophic cardiomyopathy 1; Myopathy, myosin storage, autosomal recessive; Myosin storage myopathy; Congenital myopathy with fiber type disproportion; Dilated cardiomyopathy 1S; MYH7-related skeletal myopathy 2021-09-06 criteria provided, single submitter clinical testing
All of Us Research Program, National Institutes of Health RCV001185208 SCV004824942 uncertain significance Cardiomyopathy 2024-03-05 criteria provided, single submitter clinical testing This missense variant replaces lysine with methionine at codon 940 of the MYH7 protein. Computational prediction suggests that this variant may have deleterious impact on protein structure and function (internally defined REVEL score threshold >= 0.7, PMID: 27666373). To our knowledge, functional studies have not been reported for this variant. This variant has not been reported in individuals affected with cardiovascular disorders 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 RCV004986907 SCV005453802 uncertain significance Cardiovascular phenotype 2024-07-02 criteria provided, single submitter clinical testing The p.K940M variant (also known as c.2819A>T), located in coding exon 21 of the MYH7 gene, results from an A to T substitution at nucleotide position 2819. The lysine at codon 940 is replaced by methionine, an amino acid with 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. Based on the available evidence, the clinical significance of this variant remains unclear.

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