PDBe 5uk8

X-ray diffraction
2.5Å resolution

The co-structure of (R)-4-(6-(1-(cyclopropylsulfonyl)cyclopropyl)-2-(1H-indol-4-yl)pyrimidin-4-yl)-3-methylmorpholine and a rationally designed PI3K-alpha mutant that mimics ATR

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform Chain: A
Molecule details ›
Chain: A
Length: 1074 amino acids
Theoretical weight: 125.24 KDa
Source organism: Homo sapiens
Expression system: unidentified baculovirus
UniProt:
  • Canonical: NEW P42336 (Residues: 1-1068; Coverage: 100%)
Gene name: PIK3CA
Sequence domains:
Phosphatidylinositol 3-kinase regulatory subunit alpha Chain: B
Molecule details ›
Chain: B
Length: 293 amino acids
Theoretical weight: 35.14 KDa
Source organism: Homo sapiens
Expression system: unidentified baculovirus
UniProt: Gene names: GRB1, PIK3R1
Sequence domains: SH2 domain

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.2
Spacegroup: P212121
Unit cell:
a: 104.028Å b: 107.097Å c: 134.706Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.2 0.198 0.24
Expression system: unidentified baculovirus