ClinVar Miner

Submissions for variant NM_021098.3(CACNA1H):c.2842G>A (p.Gly948Arg)

gnomAD frequency: 0.00005  dbSNP: rs763407611
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000635062 SCV000756440 uncertain significance Idiopathic generalized epilepsy; Hyperaldosteronism, familial, type IV 2023-11-10 criteria provided, single submitter clinical testing This sequence change replaces glycine, which is neutral and non-polar, with arginine, which is basic and polar, at codon 948 of the CACNA1H protein (p.Gly948Arg). 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 CACNA1H-related conditions. ClinVar contains an entry for this variant (Variation ID: 529603). 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 expected to disrupt CACNA1H protein function with a positive predictive value of 80%. 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.
Fulgent Genetics, Fulgent Genetics RCV002499052 SCV002812312 uncertain significance Epilepsy, childhood absence, susceptibility to, 6; Hyperaldosteronism, familial, type IV 2022-02-16 criteria provided, single submitter clinical testing

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