ClinVar Miner

Submissions for variant NM_152743.4(BRAT1):c.716G>A (p.Arg239Gln)

gnomAD frequency: 0.00003  dbSNP: rs200536814
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000794301 SCV000933699 uncertain significance Neonatal-onset encephalopathy with rigidity and seizures 2022-07-19 criteria provided, single submitter clinical testing This sequence change replaces arginine, which is basic and polar, with glutamine, which is neutral and polar, at codon 239 of the BRAT1 protein (p.Arg239Gln). This variant is present in population databases (rs200536814, gnomAD 0.004%). This variant has not been reported in the literature in individuals affected with BRAT1-related conditions. ClinVar contains an entry for this variant (Variation ID: 641130). 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 glutamine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. 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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