ClinVar Miner

Submissions for variant NM_001330260.2(SCN8A):c.817T>C (p.Phe273Leu)

dbSNP: rs796053234
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000189299 SCV000242932 uncertain significance not provided 2014-03-27 criteria provided, single submitter clinical testing The F273L variant has not been published as a mutation, nor has it been reported as a benign polymorphism to our knowledge. It was not observed in approximately 6,300 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. The F273L variant is a conservative amino acid substitution, which is not likely to impact secondary protein structure as these residues share similar properties. However, this substitution occurs at a position that is highly conserved across species in the 5th transmembrane domain of the first homologous repeat region of the SCN8A protein. Additionally, in silico analysis predicts this variant is probably damaging to the protein structure/function. Therefore, based on the currently available information, it is unclear whether this variant is a pathogenic mutation or a rare benign variantThe variant is found in EPILEPSY panel(s).

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