ClinVar Miner

Submissions for variant NM_000719.7(CACNA1C):c.3220A>G (p.Ile1074Val) (rs786205779)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000170842 SCV000223397 uncertain significance not provided 2016-11-02 criteria provided, single submitter clinical testing A variant of uncertain significance has been identified in the CACNA1C gene. The I1074V variant has not been published as a pathogenic variant or been reported as a benign variant to our knowledge. This variant was not observed in approximately 6,300 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project or in the Exome Aggregation Consortium (ExAC) data set, indicating it is not a common benign variant in these populations. Nevertheless, the I1074V variant is a conservative amino acid substitution, which is not likely to impact secondary protein structure as these residues share similar properties. Although this substitution occurs at a position that is conserved across species, V1074 is tolerated in at least one species. Additionally, in silico analysis is inconsistent in its predictions as to whether or not the variant is damaging to the protein structure/function.Therefore, based on the currently available information, it is unclear whether this variant is pathogenic or benign. This result cannot be interpreted for diagnosis or used for family member screening at this time.

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