ClinVar Miner

Submissions for variant NM_004168.4(SDHA):c.154T>A (p.Ser52Thr) (rs150326789)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000649450 SCV000771278 uncertain significance Mitochondrial complex II deficiency; Paragangliomas 5 2018-11-08 criteria provided, single submitter clinical testing This sequence change replaces serine with threonine at codon 52 of the SDHA protein (p.Ser52Thr). The serine residue is moderately conserved and there is a small physicochemical difference between serine and threonine. This variant is present in population databases (rs150326789, ExAC 0.03%). This variant has not been reported in the literature in individuals with SDHA-related disease. 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.

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