ClinVar Miner

Submissions for variant NM_000540.3(RYR1):c.3658G>A (p.Glu1220Lys)

dbSNP: rs757687986
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001321602 SCV001512439 uncertain significance RYR1-related disorder 2021-08-26 criteria provided, single submitter clinical testing This sequence change replaces glutamic acid with lysine at codon 1220 of the RYR1 protein (p.Glu1220Lys). The glutamic acid residue is highly conserved and there is a small physicochemical difference between glutamic acid and lysine. This variant is present in population databases (rs757687986, ExAC 0.002%). 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 are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). 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 RCV002504500 SCV002814578 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 2021-08-23 criteria provided, single submitter clinical testing

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