ClinVar Miner

Submissions for variant NM_006939.4(SOS2):c.2849G>A (p.Gly950Glu)

gnomAD frequency: 0.00001  dbSNP: rs765330931
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001217325 SCV001389160 uncertain significance Noonan syndrome 9 2019-05-25 criteria provided, single submitter clinical testing This sequence change replaces glycine with glutamic acid at codon 950 of the SOS2 protein (p.Gly950Glu). The glycine residue is moderately conserved and there is a moderate physicochemical difference between glycine and glutamic acid. This variant is present in population databases (rs765330931, ExAC 0.006%). This variant has not been reported in the literature in individuals with SOS2-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 tolerated, but these predictions have not been confirmed by published functional studies and their clinical significance is uncertain. 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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