ClinVar Miner

Submissions for variant NM_001127222.2(CACNA1A):c.1118G>A (p.Arg373Gln)

dbSNP: rs2145132803
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001372041 SCV001568629 uncertain significance Episodic ataxia type 2; Developmental and epileptic encephalopathy, 42 2020-10-29 criteria provided, single submitter clinical testing 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. 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 CACNA1A protein function. This variant has not been reported in the literature in individuals with CACNA1A-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change replaces arginine with glutamine at codon 373 of the CACNA1A protein (p.Arg373Gln). The arginine residue is highly conserved and there is a small physicochemical difference between arginine and glutamine.

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