ClinVar Miner

Submissions for variant NM_006772.3(SYNGAP1):c.3237C>A (p.Ser1079Arg)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV005085382 SCV005715164 uncertain significance Intellectual disability, autosomal dominant 5 2025-01-19 criteria provided, single submitter clinical testing This sequence change replaces serine, which is neutral and polar, with arginine, which is basic and polar, at codon 1079 of the SYNGAP1 protein (p.Ser1079Arg). This variant is present in population databases (rs149779350, gnomAD 0.007%). This variant has not been reported in the literature in individuals affected with SYNGAP1-related conditions. Invitae Evidence Modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) indicates that this missense variant is not expected to disrupt SYNGAP1 protein function with a negative predictive value of 80%. 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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