ClinVar Miner

Submissions for variant NM_000540.3(RYR1):c.13409G>T (p.Gly4470Val)

dbSNP: rs1261297305
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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 RCV000655498 SCV000777429 uncertain significance RYR1-related disorder 2021-08-30 criteria provided, single submitter clinical testing This sequence change replaces glycine with valine at codon 4470 of the RYR1 protein (p.Gly4470Val). The glycine residue is highly conserved and there is a moderate physicochemical difference between glycine and valine. The frequency data for this variant in the population databases is considered unreliable, as metrics indicate insufficient coverage at this position in the ExAC database. This variant has not been reported in the literature in individuals affected with RYR1-related conditions. 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. 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 RCV002507136 SCV002815984 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 2021-08-09 criteria provided, single submitter clinical testing

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