ClinVar Miner

Submissions for variant NM_001037.5(SCN1B):c.430A>G (p.Ile144Val)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV003511441 SCV004293824 uncertain significance Brugada syndrome 5 2023-12-04 criteria provided, single submitter clinical testing This sequence change replaces isoleucine, which is neutral and non-polar, with valine, which is neutral and non-polar, at codon 144 of the SCN1B protein (p.Ile144Val). This variant is present in population databases (rs745657953, gnomAD 0.006%). This variant has not been reported in the literature in individuals affected with SCN1B-related conditions. An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests 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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