ClinVar Miner

Submissions for variant NM_001035.3(RYR2):c.12239A>G (p.Tyr4080Cys) (rs794728781)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000182809 SCV000235195 uncertain significance not provided 2017-03-27 criteria provided, single submitter clinical testing The Tyr4080Cys variant in the RYR2 gene has not been reported as a pathogenic variant or as a benign polymorphism to our knowledge. Tyr4080Cys results in a non-conservative amino acid substitution of a large polar Tyrosine residue with a polar Cysteine residue at a position that is conserved through mammals. In silico analysis predicts Tyr4080Cys is probably damaging to the protein structure/function. Substitutions in nearby residues (Gly4076Lys, Ala4091Thr) have been reported in association with polymorphic ventricular tachycardia and CPVT, respectively, further supporting the functional importance of this region of the protein. Furthermore, the Tyr4080Cys variant was not observed in approximately 6,200 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. Therefore, based on the currently available information, it is unclear whether this variant is a pathogenic variant or a rare benign variant.

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