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:
Biological process:
Cellular component:
Sequence domains:
- SH2 domain
- SH2 domain superfamily
- Rho GTPase-activating protein domain
- Phosphatidylinositol 3-/4-kinase, catalytic domain
- Phosphoinositide 3-kinase, accessory (PIK) domain
- C2 phosphatidylinositol 3-kinase-type domain
- Phosphatidylinositol 3-kinase Ras-binding (PI3K RBD) domain
- Phosphatidylinositol 3-kinase, adaptor-binding domain
17 more domains
Structure analysis Details
Assembly composition:
hetero dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-151133 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Phosphatidylinositol 3-kinase regulatory subunit alpha
Molecule details ›
Chain: B
Length: 723 amino acids
Theoretical weight: 83.62 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
Sequence domains:
Length: 723 amino acids
Theoretical weight: 83.62 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
- Canonical:
P27986 (Residues: 3-724; Coverage: 100%)
Sequence domains:
Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform
Molecule details ›
Chain: A
Length: 1096 amino acids
Theoretical weight: 127.82 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
Sequence domains:
Length: 1096 amino acids
Theoretical weight: 127.82 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
- Canonical: P42336 (Residues: 1-1068; Coverage: 100%)
Sequence domains:
