Function and Biology Details
Reactions catalysed:
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
- 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
- SH2 domain superfamily
- Phosphatidylinositol 3/4-kinase, conserved site
10 more domains
Structure analysis Details
Assembly composition:
hetero dimer (preferred)
Assembly name:
Phosphatidylinositol 3-kinase beta (preferred)
PDBe Complex ID:
PDB-CPX-126695 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit beta isoform
Molecule details ›
Chain: A
Length: 1092 amino acids
Theoretical weight: 125.24 KDa
Source organism: Mus musculus
Expression system: Spodoptera frugiperda
UniProt:
Sequence domains:
Length: 1092 amino acids
Theoretical weight: 125.24 KDa
Source organism: Mus musculus
Expression system: Spodoptera frugiperda
UniProt:
- Canonical:
Q8BTI9 (Residues: 1-1064; Coverage: 100%)
Sequence domains:
- PI3-kinase family, p85-binding domain
- PI3-kinase family, ras-binding domain
- Phosphoinositide 3-kinase C2
- Phosphoinositide 3-kinase family, accessory domain (PIK domain)
- Phosphatidylinositol 3- and 4-kinase
Phosphatidylinositol 3-kinase regulatory subunit beta
Molecule details ›
Chain: B
Length: 302 amino acids
Theoretical weight: 35.35 KDa
Source organism: Mus musculus
Expression system: Spodoptera frugiperda
UniProt:
Sequence domains:
Structure domains:
Length: 302 amino acids
Theoretical weight: 35.35 KDa
Source organism: Mus musculus
Expression system: Spodoptera frugiperda
UniProt:
- Canonical: O08908 (Residues: 423-722; Coverage: 42%)
Sequence domains:
Structure domains:
