ClinVar Miner

Submissions for variant NM_000540.3(RYR1):c.7334C>A (p.Ala2445Asp)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV003592732 SCV004267023 uncertain significance RYR1-related disorder 2023-06-15 criteria provided, single submitter clinical testing This variant has not been reported in the literature in individuals affected with RYR1-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) 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 RYR1 protein function. This variant is present in population databases (no rsID available, gnomAD 0.0009%). This sequence change replaces alanine, which is neutral and non-polar, with aspartic acid, which is acidic and polar, at codon 2445 of the RYR1 protein (p.Ala2445Asp).
All of Us Research Program, National Institutes of Health RCV004011361 SCV004826580 uncertain significance Malignant hyperthermia, susceptibility to, 1 2023-08-15 criteria provided, single submitter clinical testing This missense variant replaces alanine with aspartic acid at codon 2445 of the RYR1 protein. Computational prediction is inconclusive regarding the impact of this variant on protein structure and function (internally defined REVEL score threshold 0.5 < inconclusive < 0.7, PMID: 27666373). To our knowledge, functional studies have not been reported for this variant. This variant has not been reported in individuals affected with RYR1-related disorders in the literature. This variant has been identified in 1/250978 chromosomes in the general population by the Genome Aggregation Database (gnomAD). The available evidence is insufficient to determine the role of this variant in disease conclusively. Therefore, this variant is classified as a Variant of Uncertain Significance.

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