ClinVar Miner

Submissions for variant NM_001099403.2(PRDM8):c.868G>A (p.Gly290Ser)

gnomAD frequency: 0.00001  dbSNP: rs756736858
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000652742 SCV000774613 uncertain significance Early-onset Lafora body disease 2021-08-30 criteria provided, single submitter clinical testing This sequence change replaces glycine with serine at codon 290 of the PRDM8 protein (p.Gly290Ser). The glycine residue is moderately conserved and there is a small physicochemical difference between glycine and serine. This variant is present in population databases (rs756736858, ExAC 0.003%). This variant has not been reported in the literature in individuals affected with PRDM8-related conditions. ClinVar contains an entry for this variant (Variation ID: 542338). Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Tolerated"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The serine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. 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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