ClinVar Miner

Submissions for variant NM_001040142.2(SCN2A):c.1108T>G (p.Phe370Val)

dbSNP: rs796053177
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000189203 SCV000242835 uncertain significance not provided 2013-09-10 criteria provided, single submitter clinical testing p.Phe370Val (TTT>GTT): c.1108 T>G in exon 9 of the SCN2A gene (NM_021007.2). The Phe370Val missense change 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 6,500 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. This variant is a conservative substitution of one uncharged, non-polar amino acid for another. However, the variant alters a highly conserved position between the S5 and S6 subunits of the first transmembrane domain, and other missense mutations have been reported in this region in association with epilepsy. 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 Phe370Val is a disease-causing mutation or a rare benign variant. The variant is found in INFANT-EPI panel(s).

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