ClinVar Miner

Submissions for variant NM_000719.7(CACNA1C):c.1435G>A (p.Val479Met)

gnomAD frequency: 0.00001  dbSNP: rs752677964
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Ambry Genetics RCV000617984 SCV000735317 likely benign Cardiovascular phenotype 2023-08-08 criteria provided, single submitter clinical testing This alteration is classified as likely benign based on a combination of the following: population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity.
Invitae RCV000688672 SCV000816294 uncertain significance Long QT syndrome 2023-11-02 criteria provided, single submitter clinical testing This sequence change replaces valine, which is neutral and non-polar, with methionine, which is neutral and non-polar, at codon 479 of the CACNA1C protein (p.Val479Met). 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 missense change has been observed in individual(s) with clinical features of long QT syndrome (Invitae). ClinVar contains an entry for this variant (Variation ID: 518504). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt CACNA1C protein function with a negative predictive value of 95%. 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.
Mayo Clinic Laboratories, Mayo Clinic RCV002261130 SCV002541183 uncertain significance not provided 2022-01-12 criteria provided, single submitter clinical testing

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