ClinVar Miner

Submissions for variant NM_001001344.2(ATP2B3):c.3320G>A (p.Gly1107Asp) (rs397514619)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000487170 SCV000568698 likely pathogenic not provided 2017-03-15 criteria provided, single submitter clinical testing The G1107D variant in the ATP2B3 gene has been reported previously as a hemizygous in an uncle and his nephew with spinocerebellar ataxia-1 (Zanni et al., 2012). Functional studies expressing the mutated protein in Hela cells showed impaired extrusion of intracellular calcium with prolonged retention of cytoplasmic calcium (Zanni et al., 2012). The G1107D variant is not observed at a significant frequency in large population cohorts (Lek et al., 2016; 1000 Genomes Consortium et al., 2015; Exome Variant Server). The G1107D variant is a non-conservative amino acid substitution, which is likely to impact secondary protein structure as these residues differ in polarity, charge, size and/or other properties. This substitution occurs at a position that is conserved across species. In silico analysis predicts this variant is probably damaging to the protein structure/function. The G1107D variant is a strong candidate for a pathogenic variant, however the possibility it may be a rare benign variant cannot be excluded.
OMIM RCV000033061 SCV000056841 pathogenic Spinocerebellar ataxia, X-linked 1 2012-09-04 no assertion criteria provided literature only

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