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Gene PIK3CA
Variant E39K
Impact List missense
Protein Effect gain of function - predicted
Gene Variant Descriptions PIK3CA E39K lies within the PI3K-ABD domain of the Pik3ca protein (UniProt.org). E39K results in increased cell proliferation and transformation ability in culture (PMID: 29533785, PMID: 29636477), and therefore, is predicted to lead to a gain of Pik3ca protein function.
Associated Drug Resistance
Category Variants Paths

PIK3CA mutant PIK3CA act mut PIK3CA E39K

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Transcript NM_006218.4
gDNA chr3:g.179198940G>A
cDNA c.115G>A
Protein p.E39K
Source Database RefSeq
Genome Build GRCh38/hg38
Transcript gDNA cDNA Protein Source Database Genome Build
NM_006218 chr3:g.179198940G>A c.115G>A p.E39K RefSeq GRCh38/hg38
XM_006713658 chr3:g.179198940G>A c.115G>A p.E39K RefSeq GRCh38/hg38
XM_006713658.4 chr3:g.179198940G>A c.115G>A p.E39K RefSeq GRCh38/hg38
XM_011512894 chr3:g.179198940G>A c.115G>A p.E39K RefSeq GRCh38/hg38
XM_011512894.2 chr3:g.179198940G>A c.115G>A p.E39K RefSeq GRCh38/hg38
NM_006218.3 chr3:g.179198940G>A c.115G>A p.E39K RefSeq GRCh38/hg38
XM_006713658.5 chr3:g.179198940G>A c.115G>A p.E39K RefSeq GRCh38/hg38
NM_006218.4 chr3:g.179198940G>A c.115G>A p.E39K RefSeq GRCh38/hg38

Filtering

  • Case insensitive filtering will display rows if any text in any cell matches the filter term
  • Use simple literal full or partial string matches
  • Separate multiple filter terms with a space. Any order may be used (i. e. a b c and c b a are equivalent )
  • Filtering will only apply to rows that are already loaded on the page. Filtering has no impact on query parameters.
  • Use quotes to match on a longer phrase with spaces (i.e. "mtor c1483f")

Sorting

  • Generally, the default sort order for tables is set to be first column ascending; however, specific tables may set a different default sort order.
  • Click on any column header arrows to sort by that column
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Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
PIK3CA E39K breast cancer resistant Buparlisib Preclinical - Cell culture Actionable In a preclinical study, breast cancer cells expressing PIK3CA E39K demonstrated resistance to treatment with Buparlisib (BKM120) in culture (PMID: 29636477). 29636477