ClinVar Miner

Submissions for variant NM_000540.3(RYR1):c.4066G>A (p.Ala1356Thr)

dbSNP: rs933347966
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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001317967 SCV001508648 uncertain significance RYR1-related disorder 2022-10-27 criteria provided, single submitter clinical testing This sequence change replaces alanine, which is neutral and non-polar, with threonine, which is neutral and polar, at codon 1356 of the RYR1 protein (p.Ala1356Thr). This variant is present in population databases (no rsID available, gnomAD 0.004%). This missense change has been observed in individual(s) with statin induced myopathy (PMID: 30325262). ClinVar contains an entry for this variant (Variation ID: 1018639). 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 not expected to disrupt RYR1 protein function. 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.
Fulgent Genetics, Fulgent Genetics RCV002504494 SCV002816294 uncertain significance Central core myopathy; Malignant hyperthermia, susceptibility to, 1; Congenital multicore myopathy with external ophthalmoplegia; Congenital myopathy with fiber type disproportion; King Denborough syndrome 2021-09-16 criteria provided, single submitter clinical testing
Revvity Omics, Revvity RCV003130266 SCV003812548 uncertain significance not provided 2019-10-18 criteria provided, single submitter clinical testing
All of Us Research Program, National Institutes of Health RCV004005091 SCV004827712 uncertain significance Malignant hyperthermia, susceptibility to, 1 2023-10-02 criteria provided, single submitter clinical testing This missense variant replaces alanine with threonine at codon 1356 of the RYR1 protein. Computational prediction suggests that this variant may not impact protein structure and function (internally defined REVEL score threshold <= 0.5, PMID: 27666373). To our knowledge, functional studies have not been reported for this variant. This variant has not been reported in individuals affected with malignant hyperthermia susceptibility in the literature, although it has been reported in individuals affected with other phenotypes (PMID: 30325262). This variant has been identified in 1/144318 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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