ClinVar Miner

Submissions for variant NM_001040142.2(SCN2A):c.5942C>G (p.Pro1981Arg)

dbSNP: rs752211376
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV001768302 SCV002008850 uncertain significance not provided 2019-09-11 criteria provided, single submitter clinical testing The majority of missense variants in this gene are considered pathogenic (Stenson et al., 2014); In silico analysis, which includes protein predictors and evolutionary conservation, supports a deleterious effect; Has not been previously published as pathogenic or benign to our knowledge; This substitution is predicted to be within the C-terminal cytoplasmic domain.
Labcorp Genetics (formerly Invitae), Labcorp RCV001868740 SCV002214632 uncertain significance Seizures, benign familial infantile, 3; Developmental and epileptic encephalopathy, 11 2021-08-31 criteria provided, single submitter clinical testing This sequence change replaces proline with arginine at codon 1981 of the SCN2A protein (p.Pro1981Arg). The proline residue is highly conserved and there is a moderate physicochemical difference between proline and arginine. This variant is present in population databases (rs752211376, ExAC 0.002%). This variant has not been reported in the literature in individuals affected with SCN2A-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be disruptive. 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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