ClinVar Miner

Submissions for variant NM_021629.4(GNB4):c.232A>C (p.Lys78Gln)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Molecular Genetics, Royal Melbourne Hospital RCV003994679 SCV004812589 uncertain significance Charcot-Marie-Tooth disease 2022-10-06 criteria provided, single submitter clinical testing This sequence change in GNB4 is predicted to replace lysine with glutamine at codon 78, p.(Lys78Gln). The lysine residue is highly conserved (100 vertebrates, UCSC), and is located in the WD repeat 1 domain. There is a small physicochemical difference between lysine and glutamine. This variant is absent from the population database gnomAD v2.1 and v3.1. To our knowledge, this variant has not been reported in the relevant scientific literature. Multiple lines of computational evidence have conflicting predictions for the missense substitution (4/6 algorithms predict deleterious). Based on the classification scheme RMH Modified ACMG Guidelines v1.5.1, this variant is classified as a VARIANT OF UNCERTAIN SIGNIFICANCE. Following criteria are met: PM2_Supporting.

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