ClinVar Miner

Submissions for variant NM_000257.4(MYH7):c.3058C>G (p.Leu1020Val)

dbSNP: rs751904168
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000473041 SCV000546217 uncertain significance Hypertrophic cardiomyopathy 2016-10-21 criteria provided, single submitter clinical testing Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may alter RNA splicing, but this prediction has not been confirmed by published transcriptional studies. In summary, this variant is a novel missense change with uncertain impact on splicing and protein function. It has been classified as a Variant of Uncertain Significance. Algorithms developed to predict the effect of missense changes on protein structure and function do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C0"). This variant is not present in population databases (ExAC no frequency) and has not been reported in the literature in individuals with a MYH7-related disease. This sequence change replaces leucine with valine at codon 1020 of the MYH7 protein (p.Leu1020Val). The leucine residue is highly conserved and there is a small physicochemical difference between leucine and valine.

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