ClinVar Miner

Submissions for variant NM_018896.5(CACNA1G):c.4657C>G (p.Arg1553Gly)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Neuberg Centre For Genomic Medicine, NCGM RCV003337934 SCV004048373 uncertain significance Spinocerebellar ataxia type 42 criteria provided, single submitter clinical testing The missense variant c.4657C>G (p.Arg1553Gly) in CACNA1G gene has not been reported previously as a pathogenic variant nor as a benign variant, to our knowledge. The p.Arg1553Gly variant is novel (not in any individuals) in 1000 Genomes and allele frequency of 0.0004036% is reported in gnomAD. The amino acid Arg at position 1553 is changed to a Gly changing protein sequence and it might alter its composition and physico-chemical properties. The variant is predicted to be damaging by PolyPhen2 and the residue is conserved across species. The amino acid change p.Arg1553Gly in CACNA1G is predicted as conserved by GERP++ and PhyloP across 100 vertebrates. For these reasons, this variant has been classified as Uncertain Significance.

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