ClinVar Miner

Submissions for variant NM_006939.4(SOS2):c.3284C>G (p.Ser1095Cys)

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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 RCV003755274 SCV004394737 uncertain significance Noonan syndrome 9 2024-01-14 criteria provided, single submitter clinical testing This sequence change replaces serine, which is neutral and polar, with cysteine, which is neutral and slightly polar, at codon 1095 of the SOS2 protein (p.Ser1095Cys). This variant is present in population databases (rs747159089, gnomAD 0.006%). This variant has not been reported in the literature in individuals affected with SOS2-related conditions. Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt SOS2 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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