ClinVar Miner

Submissions for variant NM_001035.3(RYR2):c.14704C>T (p.Pro4902Ser)

dbSNP: rs794728808
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000182850 SCV000235238 pathogenic not provided 2012-08-07 criteria provided, single submitter clinical testing p.Pro4902Ser (CCA>TCA):c.14704 C>T in exon 103 of the RYR2 gene (NM_001035.2). The Pro4902Ser mutation has been reported in association with CPVT. Postma A et al. (2005) reported a 13 year old female patient with syncope, polymorphic ventricular beat and polymorphic ventricular tachycardia with the Pro4902Ser mutation. Multiple other affected individuals in the family tested positive for the mutation, and there was a family history of sudden death. However, there were also individuals in the family with Pro4902Ser who were asymptomatic, leading the authors to conclude that this mutation may have partial penetrance. The Pro4902Ser mutation occurs in the transmembrane domain of the protein, one of the mutation hotspots of RYR2. Specifically, another mutation affecting the same residue (Pro4902Leu) and mutations in surrounding residues (Asn4895Asp, Gly4935Arg) have been reported in association with CPVT. Furthermore, the NHLBI ESP Exome Variant Server reports Pro4902Ser was not observed in approximately 5,600 samples from individuals of European and African American backgrounds, indicating it is not a common benign variant in these populations. In summary, Pro4902Ser is interpreted as a disease-causing mutation. The variant is found in CPVT panel(s).

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