ClinVar Miner

Submissions for variant NM_020631.5(PLEKHG5):c.2789G>A (p.Arg930Gln) (rs376237905)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000490184 SCV000577543 likely benign not provided 2021-01-08 criteria provided, single submitter clinical testing In silico analysis, which includes protein predictors and evolutionary conservation, supports that this variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge
Invitae RCV000560252 SCV000646044 uncertain significance Distal spinal muscular atrophy, autosomal recessive 4; Charcot-Marie-Tooth disease, recessive intermediate c 2020-06-20 criteria provided, single submitter clinical testing This sequence change replaces arginine with glutamine at codon 930 of the PLEKHG5 protein (p.Arg930Gln). The arginine residue is weakly conserved and there is a small physicochemical difference between arginine and glutamine. This variant is present in population databases (rs376237905, ExAC 0.02%). This variant has not been reported in the literature in individuals with PLEKHG5-related disease. Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: Tolerated; PolyPhen-2: Benign; Align-GVGD: Class C0. The glutamine amino acid residue is found in multiple mammalian species, suggesting that this missense change does not adversely affect protein function. These predictions have not been confirmed by published functional studies and their clinical significance is uncertain. 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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