ClinVar Miner

Submissions for variant NM_001035.3(RYR2):c.4862G>A (p.Cys1621Tyr)

dbSNP: rs1553521003
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000658361 SCV000780133 uncertain significance not provided 2018-05-25 criteria provided, single submitter clinical testing A variant of uncertain significance has been identified in the RYR2 gene. The C1621Y variant has not been published as pathogenic or been reported as benign to our knowledge. This variant is also not observed in large population cohorts (Lek et al., 2016). The C1621Y variant is a non-conservative amino acid substitution, which is likely to impact secondary protein structure as these residues differ in polarity, charge, size and/or other properties. In-silico analyses, including protein predictors and evolutionary conservation, support a deleterious effect. However, C1621Y is not located in one of the three hot-spot regions of the RYR2 gene, where the majority of pathogenic missense variants occur (Medeiros-Domingo et al., 2009). Additionally, this variant has not been observed in a significant number of affected individuals, and it lacks both segregation and functional studies which would further clarify its pathogenicity.

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