ClinVar Miner

Submissions for variant NM_001376.5(DYNC1H1):c.8843G>A (p.Arg2948His)

gnomAD frequency: 0.00001  dbSNP: rs780690762
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000236413 SCV000293051 uncertain significance not provided 2015-08-27 criteria provided, single submitter clinical testing The R2948H variant has not been published as pathogenic, nor has it been reported as a benign polymorphism 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. This substitution occurs at a position that is conserved across species, and in silico analysis predicts this variant is probably damaging to the protein structure/function. However, the R2948H variant is a conservative amino acid substitution, which is not likely to impact secondary protein structure as these residues share similar properties. Therefore, based on the currently available information, it is unclear whether this variant is a pathogenic variant or a rare benign variant.
Invitae RCV003528157 SCV004274055 uncertain significance Charcot-Marie-Tooth disease axonal type 2O 2023-08-23 criteria provided, single submitter clinical testing This variant is present in population databases (rs780690762, gnomAD 0.01%). This sequence change replaces arginine, which is basic and polar, with histidine, which is basic and polar, at codon 2948 of the DYNC1H1 protein (p.Arg2948His). This variant has not been reported in the literature in individuals affected with DYNC1H1-related conditions. 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. Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is expected to disrupt DYNC1H1 protein function. ClinVar contains an entry for this variant (Variation ID: 245876).

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