ClinVar Miner

Submissions for variant NM_000719.7(CACNA1C):c.4216G>A (p.Val1406Met) (rs753204879)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000170810 SCV000223365 uncertain significance not provided 2013-11-08 criteria provided, single submitter clinical testing p.Val1406Met (GTG>ATG): c.4216 G>A in exon 34 of the CACNA1C gene (NM_000719.6). The Val1406Met variant in the CACNA1C gene has not been reported as a disease-causing mutation or as a benign polymorphism to our knowledge. Val1406Met results in a conservative amino acid substitution of one non-polar amino acid for another at a position that is conserved across species. In silico analysis predicts Val1406Met is damaging to the protein structure/function. The Val1406Met variant was not observed in approximately 6,500 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. However, no other disease-causing mutations have been reported in surrounding residues of the CACNA1C protein, indicating this region may be tolerant of change. With the clinical and molecular information available at this time, we cannot definitively determine if Val1406Met is a disease-causing mutation or a rare benign variant. The variant is found in LQT panel(s).

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