Complex of N-terminal GST-tagged recombinant full-length human p110alpha (GenBank Accession No. NM_006218), and recombinant full length, human p85alpha (no tag) (GenBank Accession No. NM_181523). Coexpressed in a Baculovirus infected Sf9 cell expression system. p110alpha MW=151 kDa, p85alpha MW=84 kDa.
Host cell line: Sf9 cells
Specific activity: 880 pmol/min/ug
Unit definition: A unit of p110alpha/p85alpha kinase activity is defined as the amount of enzyme required to produce 1 pmol of Phosphoinositol-3, 4,5-Trisphosphate/min at 37°C.
Immunogen Region
full length
Tag
N-terminal GST-tag(p110alpha), no tag on p85alpha
Formulation
40 mM Tris-HCl, pH 8.0, 110 mM NaCl, 2.2 mM KCl, 16 mM glutathione, 20% glycerol, and 3 mM DTT.
Species
Human
Application
Useful for the study of enzyme kinetics, screening inhibitors, and selectivity profiling
Notes
A 25 ul kinase reaction is conducted in a buffer containing 10 mM Tris-HCl (pH 7.5), 50 mM NaCl, 5 mM MgCl2 Avoid freeze/thaw cycles.