ClinVar Miner

Submissions for variant NM_001376.5(DYNC1H1):c.11776G>C (p.Gly3926Arg) (rs879254035)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000236067 SCV000293245 uncertain significance not provided 2015-10-21 criteria provided, single submitter clinical testing The G3926R variant has not been published as a pathogenic variant, nor has it been reported as a benign variant to our knowledge. It was not observed in approximately 6,500 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. The G3926R variant is a non-conservative amino acid substitution, which is likely to impact secondary protein structure as these residues differ in polarity, charge, size and/or other properties. This substitution occurs at a position that is conserved across species. However, in silico analysis is inconsistent in its predictions as to whether or not the variant is damaging to the protein structure/function. Therefore, based on the currently available information, it is unclear whether this variant is a pathogenic variant or a rare benign variant.
Invitae RCV001223502 SCV001395654 uncertain significance Charcot-Marie-Tooth disease, axonal, type 2O 2019-07-11 criteria provided, single submitter clinical testing This sequence change replaces glycine with arginine at codon 3926 of the DYNC1H1 protein (p.Gly3926Arg). The glycine residue is highly conserved and there is a moderate physicochemical difference between glycine and arginine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals with DYNC1H1-related conditions. ClinVar contains an entry for this variant (Variation ID: 245988). Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be disruptive, but 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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