ClinVar Miner

Submissions for variant NM_000719.7(CACNA1C):c.3461C>T (p.Ala1154Val)

dbSNP: rs786205758
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000170798 SCV000223353 uncertain significance not provided 2013-09-30 criteria provided, single submitter clinical testing p.Ala1154Val (GCC>GTC): c.3461 C>T in exon 27 of the CACNA1C gene (NM_000719.6). The Ala1154Val variant in the CACNA1C gene has not been reported as a disease-causing mutation or as a benign polymorphism to our knowledge. Although Ala1154Val results in a conservative amino acid substitution of one non-polar residue for another, the Ala1154 residue is conserved across species. In silico analysis predicts Ala1154Val is probably damaging to the protein structure/function. Furthermore, the Ala1154Val 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 mutations affecting nearby residues have been reported in association with LQTS, suggesting this region of the protein may be tolerant of change. With the clinical and molecular information available at this time, we cannot definitively determine if Ala1154Val is a disease-causing mutation or a rare benign variant. The variant is found in LQT panel(s).

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