ClinVar Miner

Submissions for variant NM_000257.4(MYH7):c.4643A>T (p.Glu1548Val)

dbSNP: rs730880804
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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001039638 SCV001203175 uncertain significance Hypertrophic cardiomyopathy 2021-09-17 criteria provided, single submitter clinical testing This sequence change replaces glutamic acid with valine at codon 1548 of the MYH7 protein (p.Glu1548Val). The glutamic acid residue is highly conserved and there is a moderate physicochemical difference between glutamic acid and valine. This variant is not present in population databases (ExAC no frequency). This variant has been observed in individual(s) with dilated cardiomyopathy (PMID: 27532257, 31983221). ClinVar contains an entry for this variant (Variation ID: 838150). Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. 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.
CHEO Genetics Diagnostic Laboratory, Children's Hospital of Eastern Ontario RCV001799031 SCV002042686 uncertain significance Cardiomyopathy 2020-07-13 criteria provided, single submitter clinical testing
Fulgent Genetics, Fulgent Genetics RCV002481873 SCV002776560 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 2021-07-09 criteria provided, single submitter clinical testing
All of Us Research Program, National Institutes of Health RCV001799031 SCV004835577 uncertain significance Cardiomyopathy 2023-11-20 criteria provided, single submitter clinical testing This missense variant replaces glutamic acid with valine at codon 1548 of the MYH7 protein. Computational prediction suggests that this variant may have a 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 been reported in two individuals affected with dilated cardiomyopathy (PMID: 27532257, 31983221). 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.

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