ClinVar Miner

Submissions for variant NM_000520.6(HEXA):c.512G>A (p.Gly171Asp)

dbSNP: rs2088723709
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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 RCV002028308 SCV002283630 uncertain significance Tay-Sachs disease 2021-08-12 criteria provided, single submitter clinical testing 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 missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be disruptive. This variant has not been reported in the literature in individuals affected with HEXA-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change replaces glycine with aspartic acid at codon 171 of the HEXA protein (p.Gly171Asp). The glycine residue is highly conserved and there is a moderate physicochemical difference between glycine and aspartic acid.

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