ClinVar Miner

Submissions for variant NM_005670.4(EPM2A):c.332C>G (p.Thr111Ser)

gnomAD frequency: 0.00001  dbSNP: rs1480939817
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000691857 SCV000819653 uncertain significance Progressive myoclonic epilepsy 2018-06-19 criteria provided, single submitter clinical testing 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 tolerated, 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. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site, but this prediction has not been confirmed by published transcriptional studies. This variant has not been reported in the literature in individuals with EPM2A-related disease. This variant is not present in population databases (ExAC no frequency). This sequence change replaces threonine with serine at codon 111 of the EPM2A protein (p.Thr111Ser). The threonine residue is moderately conserved and there is a small physicochemical difference between threonine and serine.

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