ClinVar Miner

Submissions for variant NM_000719.7(CACNA1C):c.6371G>A (p.Ser2124Asn)

dbSNP: rs886049210
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001369849 SCV001566302 uncertain significance Long QT syndrome 2022-01-11 criteria provided, single submitter clinical testing This sequence change replaces serine, which is neutral and polar, with asparagine, which is neutral and polar, at codon 2124 of the CACNA1C protein (p.Ser2124Asn). The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the gnomAD database. This variant has not been reported in the literature in individuals affected with CACNA1C-related conditions. ClinVar contains an entry for this variant (Variation ID: 308165). Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0"). In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.
Ambry Genetics RCV002365358 SCV002659065 uncertain significance Cardiovascular phenotype 2021-01-29 criteria provided, single submitter clinical testing The p.S2124N variant (also known as c.6371G>A), located in coding exon 47 of the CACNA1C gene, results from a G to A substitution at nucleotide position 6371. The serine at codon 2124 is replaced by asparagine, an amino acid with highly similar properties. This amino acid position is not well conserved in available vertebrate species, and asparagine is the reference amino acid in other vertebrate species. In addition, this alteration is predicted to be tolerated by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

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