ClinVar Miner

Submissions for variant NM_001001557.4(GDF6):c.758A>G (p.Gln253Arg)

dbSNP: rs121909355
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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 RCV001238513 SCV001411330 uncertain significance Klippel-Feil syndrome 1, autosomal dominant; Isolated microphthalmia 4; Microphthalmia, isolated, with coloboma 6; Leber congenital amaurosis 17 2020-08-04 criteria provided, single submitter clinical testing This sequence change replaces glutamine with arginine at codon 253 of the GDF6 protein (p.Gln253Arg). The glutamine residue is moderately conserved and there is a small physicochemical difference between glutamine and arginine. The frequency data for this variant in the population databases is considered unreliable, as metrics indicate insufficient coverage at this position in the ExAC database. This variant has not been reported in the literature in individuals with GDF6-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 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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