ClinVar Miner

Submissions for variant NM_006939.4(SOS2):c.3266C>A (p.Pro1089Gln)

gnomAD frequency: 0.00001  dbSNP: rs1409054252
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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 RCV000799068 SCV000938715 uncertain significance Noonan syndrome 9 2018-07-31 criteria provided, single submitter clinical testing This sequence change replaces proline with glutamine at codon 1089 of the SOS2 protein (p.Pro1089Gln). The proline residue is highly conserved and there is a moderate physicochemical difference between proline and glutamine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals with SOS2-related disease. Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Tolerated"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). 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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