ClinVar Miner

Submissions for variant NM_001040142.2(SCN2A):c.1861C>T (p.Arg621Cys) (rs796053205)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000189247 SCV000242879 uncertain significance not provided 2013-08-23 criteria provided, single submitter clinical testing The R621C 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 6,500 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 R621C variant is a non-conservative amino acid substitution, which is likely to impact secondary protein structure as these residues differ in polarity, charge, size and/or other properties. This substitution alters a highly conserved position in the cytoplasmic loop between the first and second homologous domains of the SCN2A protein (Shi et al., 2012), and in silico analysis predicts this variant is probably damaging to the protein structure/function. The variant is found in SCN2A panel(s).
Fulgent Genetics,Fulgent Genetics RCV000764278 SCV000895295 uncertain significance Benign familial neonatal-infantile seizures; Early infantile epileptic encephalopathy 11 2018-10-31 criteria provided, single submitter clinical testing

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