ClinVar Miner

Submissions for variant NM_001035.3(RYR2):c.12268C>T (p.Pro4090Ser) (rs794728782)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000182810 SCV000235196 likely pathogenic not provided 2014-06-26 criteria provided, single submitter clinical testing p.Pro4090Ser (CCT>TCT): c.12268 C>T in exon 90 of the RYR2 gene (NM_001035.2). The P4090S variant in the RYR2 gene has not been reported as a disease-causing mutation or as a benign polymorphism to our knowledge. Pro4090Ser was not observed in approximately 6,000 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. P4090S results in the removal of a sterically constrained Proline at a position that is well conserved across species and is located in one of the mutation hot-spot regions in the RYR2 gene (Medeiros- Domingo A et al., 2009). Mutations in nearby residues (A4091V, A4091T) have been reported in association with CPVT, further supporting the functional importance of this region of the protein. Additionally, in silico analysis predicts P4090S is damaging to the protein structure/function. Therefore, this variant is a strong candidate for a pathogenic mutation, however the possibility that it is a benign variant cannot be excluded. The variant is found in CPVT,ARRHYTHMIA panel(s).

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