ClinVar Miner

Submissions for variant NM_005477.3(HCN4):c.3503T>C (p.Phe1168Ser)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001036308 SCV001199663 uncertain significance Brugada syndrome 8 2019-12-22 criteria provided, single submitter clinical testing This sequence change replaces phenylalanine with serine at codon 1168 of the HCN4 protein (p.Phe1168Ser). The phenylalanine residue is highly conserved and there is a large physicochemical difference between phenylalanine and serine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals with HCN4-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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