ClinVar Miner

Submissions for variant NM_001099403.2(PRDM8):c.1624G>T (p.Ala542Ser)

gnomAD frequency: 0.00001  dbSNP: rs866553864
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001060997 SCV001225719 uncertain significance Early-onset Lafora body disease 2019-03-07 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 output the following: SIFT: "Tolerated"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The serine amino acid residue is found in multiple mammalian species, suggesting that this missense change does not adversely affect protein function. These predictions have not been confirmed by published functional studies and their clinical significance is uncertain. This variant has not been reported in the literature in individuals with PRDM8-related conditions. 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 sequence change replaces alanine with serine at codon 542 of the PRDM8 protein (p.Ala542Ser). The alanine residue is moderately conserved and there is a moderate physicochemical difference between alanine and serine.

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