ClinVar Miner

Submissions for variant NM_152296.5(ATP1A3):c.2425G>C (p.Ala809Pro)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Ambry Genetics RCV003356916 SCV004076626 pathogenic Inborn genetic diseases 2023-06-28 criteria provided, single submitter clinical testing The c.2425G>C (p.A809P) alteration is located in exon 18 (coding exon 18) of the ATP1A3 gene. This alteration results from a G to C substitution at nucleotide position 2425, causing the alanine (A) at amino acid position 809 to be replaced by a proline (P). This variant was not reported in population-based cohorts in the Genome Aggregation Database (gnomAD). This variant was reported de novo in multiple individuals with features consistent with ATP1A3-related neurologic disorders (Zech, 2020; Boonsimma, 2020; Dzinovic, 2022). Another alteration at the same codon, c.2426C>A (p.A809D), has been reported de novo in an individual with childhood epilepsy (Yao, 2021). This amino acid position is highly conserved in available vertebrate species. This missense alteration is located in a region that has a low rate of benign missense variation (Lek, 2016; Firth, 2009). This alteration is predicted to be deleterious by in silico analysis. Based on the available evidence, this alteration is classified as pathogenic.

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