ClinVar Miner

Submissions for variant NM_005027.4(PIK3R2):c.274G>T (p.Gly92Cys)

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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 RCV003029730 SCV003336819 uncertain significance Megalencephaly-polymicrogyria-polydactyly-hydrocephalus syndrome 1 2022-03-18 criteria provided, single submitter clinical testing 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. 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 PIK3R2 protein function. This variant has not been reported in the literature in individuals affected with PIK3R2-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces glycine, which is neutral and non-polar, with cysteine, which is neutral and slightly polar, at codon 92 of the PIK3R2 protein (p.Gly92Cys).

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