ClinVar Miner

Submissions for variant NM_001035.3(RYR2):c.502C>G (p.Gln168Glu) (rs1085308008)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000489848 SCV000577824 likely pathogenic not provided 2015-04-24 criteria provided, single submitter clinical testing TheQ168E has not been published as a pathogenic variant or as a benign polymorphism to our knowledge. The Q168E variant was not observed in approximately 6,100 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. In addition, the Q168E variant is a semi-conservative amino acid substitution, which may impact secondary protein structure as these residues differ in some properties, and occurs at a position that is conserved across species. Consequently in silico analysis predicts this variant is probably damaging to the protein structure/function. Missense variants in nearby residues (P164S, A165D, R169Q, R176Q) have been reported in the Human Gene Mutation Database in association with arryhtmia (Stenson P et al., 2014), supporting the functional importance of this region of the protein. Furthermore, the Q168E variant is located in one of the three hot-spot regions of the RYR2 gene, where the majority of pathogenic missense variants occur (Medeiros-Domingo A et al., 2009).Therefore, this variant is a strong candidate for a pathogenic variant, however the possibility that it is a benign variant cannot be excluded.

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