ClinVar Miner

Submissions for variant NM_001127222.2(CACNA1A):c.6633C>G (p.His2211Gln)

dbSNP: rs775606907
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001894827 SCV002131288 uncertain significance Episodic ataxia type 2; Developmental and epileptic encephalopathy, 42 2021-10-05 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 not expected to disrupt CACNA1A protein function. This variant has not been reported in the literature in individuals affected with CACNA1A-related conditions. The frequency data for this variant in the population databases is considered unreliable, as metrics indicate insufficient coverage at this position in the ExAC database. This sequence change replaces histidine with glutamine at codon 2212 of the CACNA1A protein (p.His2212Gln). The histidine residue is weakly conserved and there is a small physicochemical difference between histidine and glutamine.
MGZ Medical Genetics Center RCV002290785 SCV002580230 uncertain significance Episodic ataxia type 2 2021-09-07 criteria provided, single submitter clinical testing

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