7k6m

X-ray diffraction
2.41Å resolution

Function and Biology Details

Reactions catalysed:
ATP + 1-phosphatidyl-1D-myo-inositol = ADP + 1-phosphatidyl-1D-myo-inositol 3-phosphate
ATP + 1-phosphatidyl-1D-myo-inositol 4,5-bisphosphate = ADP + 1-phosphatidyl-1D-myo-inositol 3,4,5-trisphosphate
ATP + a protein = ADP + a phosphoprotein
Biochemical function:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-154615 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform Chain: A
Molecule details ›
Chain: A
Length: 946 amino acids
Theoretical weight: 109.98 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: P42336 (Residues: 105-1048; Coverage: 88%)
Gene name: PIK3CA
Sequence domains:

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 17-ID
Spacegroup: P212121
Unit cell:
a: 59.038Å b: 133.532Å c: 148.324Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.196 0.194 0.232
Expression system: Spodoptera frugiperda