ClinVar Miner

Submissions for variant NM_001376.5(DYNC1H1):c.9721A>G (p.Lys3241Glu)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV002305123 SCV002590039 likely pathogenic Charcot-Marie-Tooth disease axonal type 2O 2023-08-23 criteria provided, single submitter clinical testing In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic. This variant disrupts the p.Lys3241 amino acid residue in DYNC1H1. Other variant(s) that disrupt this residue have been observed in individuals with DYNC1H1-related conditions (PMID: 23603762; Invitae), which suggests that this may be a clinically significant amino acid residue. 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) has been performed at Invitae for this missense variant, however the output from this modeling did not meet the statistical confidence thresholds required to predict the impact of this variant on DYNC1H1 protein function. ClinVar contains an entry for this variant (Variation ID: 1720236). This missense change has been observed in individual(s) with clinical features of DYNC1H1-related conditions (Invitae). In at least one individual the variant was observed to be de novo. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces lysine, which is basic and polar, with glutamic acid, which is acidic and polar, at codon 3241 of the DYNC1H1 protein (p.Lys3241Glu).

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