ClinVar Miner

Submissions for variant NM_001099403.2(PRDM8):c.1553A>G (p.Gln518Arg)

gnomAD frequency: 0.00001  dbSNP: rs1319969823
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001209672 SCV001381118 uncertain significance Early-onset Lafora body disease 2021-09-01 criteria provided, single submitter clinical testing This sequence change replaces glutamine with arginine at codon 518 of the PRDM8 protein (p.Gln518Arg). 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 affected with PRDM8-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. 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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