ClinVar Miner

Submissions for variant NM_000719.7(CACNA1C):c.4927C>T (p.Pro1643Ser) (rs786205764)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000170812 SCV000223367 uncertain significance not provided 2013-04-22 criteria provided, single submitter clinical testing p.Pro1643Ser (CCC>TCC): c.4927 C>T in exon 40 of the CACNA1C gene (NM_000719.6). The Pro1643Ser variant in the CACNA1C gene has not been reported as a disease-causing mutation or as a benign polymorphism to our knowledge. Pro1643Ser results in a non-conservative amino acid substitution of a non-polar Proline with a polar Serine at a position that is not well conserved across species. In silico analysis predicts Pro1643Ser is benign to the protein structure/function. No mutations in nearby codons have been reported in association with arrhythmia, indicating this region of the protein may be tolerant of change. Nevertheless, the Pro1643Ser variant 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. With the clinical and molecular information available at this time, we cannot definitively determine if Pro1643Ser is a disease-causing mutation or a rare benign variant. The variant is found in LQT panel(s).

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