ClinVar Miner

Submissions for variant NM_000702.4(ATP1A2):c.2337C>A (p.Ser779Arg)

dbSNP: rs2101995485
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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 RCV001368367 SCV001564761 uncertain significance Familial hemiplegic migraine 2020-04-29 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. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be disruptive, but these predictions have not been confirmed by published functional studies and their clinical significance is uncertain. This missense change has been observed in individual(s) with dystonia (PMID: 31737037). This variant is not present in population databases (ExAC no frequency). This sequence change replaces serine with arginine at codon 779 of the ATP1A2 protein (p.Ser779Arg). The serine residue is highly conserved and there is a moderate physicochemical difference between serine and arginine.

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