ClinVar Miner

Submissions for variant NM_006218.4(PIK3CA):c.3145G>A (p.Gly1049Ser)

dbSNP: rs121913277
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV001555377 SCV001776787 pathogenic not provided 2021-11-16 criteria provided, single submitter clinical testing Not observed at significant frequency in large population cohorts (Lek et al., 2016); In silico analysis supports that this missense variant does not alter protein structure/function; This variant is associated with the following publications: (PMID: 25157968, 22729224, 31290289, 33415748)
3billion RCV002051848 SCV002318562 pathogenic Megalencephaly-capillary malformation-polymicrogyria syndrome 2022-03-22 criteria provided, single submitter clinical testing Same or different nucleotide change resulting in same amino acid change has been previously reported to be associated with PIK3CA related disorder (ClinVar ID: VCV000376247, PMID:22729224). The variant has been previously reported as de novo in a similarly affected individual (PMID: 22729224). Different pathogenic/likely pathogenic amino acid change has been reported with supporting evidence at the same codon (ClinVar ID: VCV000376053). The variant is located in a mutational hot spot and/or well-established functional domain in which established pathogenic variants have been reported. In silico tool predictions suggest damaging effect of the variant on gene or gene product(3CNET: 0.96>=0.75). A missense variant is a common mechanism. It is not observed in the gnomAD v2.1.1 dataset. Therefore, this variant is classified as pathogenic according to the recommendation of ACMG/AMP guideline.
Database of Curated Mutations (DoCM) RCV000437691 SCV000505528 likely pathogenic Neoplasm of the large intestine 2015-07-14 no assertion criteria provided literature only

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