ClinVar Miner

Submissions for variant NM_000520.6(HEXA):c.200G>A (p.Arg67His)

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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 RCV002586440 SCV002935411 uncertain significance Tay-Sachs disease 2018-04-12 criteria provided, single submitter clinical testing This sequence change replaces arginine with histidine at codon 67 of the HEXA protein (p.Arg67His). The arginine residue is moderately conserved and there is a small physicochemical difference between arginine and histidine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals with HEXA-related disease. Algorithms developed to predict the effect of missense changes on protein structure and function do not agree on the potential impact of this missense change (SIFT: "Tolerated"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). 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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