ClinVar Miner

Submissions for variant NM_001040142.2(SCN2A):c.643G>C (p.Ala215Pro)

dbSNP: rs1131691927
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000494089 SCV000583158 likely pathogenic not provided 2015-08-21 criteria provided, single submitter clinical testing The A215P variant has not been published as a pathogenic variant, 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. The A215P variant is a semi-conservative amino acid substitution, which may impact secondary protein structure as these residues differ in some properties. This substitution occurs at a position where amino acids with similar properties to Alanine are tolerated across species. However, in silico analysis predicts this variant is probably damaging to the protein structure/function. Additionally, this variant occurs in the predicted transmembrane segment S4 in the first homologous domain, where many missense variants associated with SCN2A-related disorders have been published (Stenson et al., 2014). Therefore, this variant is a strong candidate for a pathogenic variant, however the possibility that it is a benign variant cannot be excluded.

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