ClinVar Miner

Submissions for variant NM_033409.4(SLC52A3):c.1102G>A (p.Val368Met)

gnomAD frequency: 0.00004  dbSNP: rs148181353
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000692067 SCV000819874 uncertain significance Brown-Vialetto-van Laere syndrome 1 2021-08-26 criteria provided, single submitter clinical testing This sequence change replaces valine with methionine at codon 368 of the SLC52A3 protein (p.Val368Met). The valine residue is weakly conserved and there is a small physicochemical difference between valine and methionine. This variant is present in population databases (rs148181353, ExAC 0.02%). This variant has not been reported in the literature in individuals affected with SLC52A3-related conditions. 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 methionine 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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