ClinVar Miner

Submissions for variant NM_021629.4(GNB4):c.714A>G (p.Gly238=) (rs1433615086)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000692221 SCV000820033 uncertain significance Charcot-Marie-Tooth disease, dominant intermediate F 2019-01-26 criteria provided, single submitter clinical testing This sequence change affects codon 238 of the GNB4 mRNA. It is a 'silent' change, meaning that it does not change the encoded amino acid sequence of the GNB4 protein. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals with GNB4-related disease. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site, but this prediction has not been confirmed by published transcriptional studies. 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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