ClinVar Miner

Submissions for variant NM_000702.4(ATP1A2):c.794T>C (p.Met265Thr)

dbSNP: rs1651625639
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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 RCV001052893 SCV001217128 uncertain significance Familial hemiplegic migraine 2019-03-18 criteria provided, single submitter clinical testing This sequence change replaces methionine with threonine at codon 265 of the ATP1A2 protein (p.Met265Thr). The methionine residue is highly conserved and there is a moderate physicochemical difference between methionine and threonine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals with ATP1A2-related conditions. 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. 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.

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