Akt1 PKBa Protein Kinase Ba Liquid. In 100 mM NaCl, 50 mM Tris-HCl, 1 mM DTT, 50% glycerol, pH 8.5. AVOID FREEZE/THAW CYCLES. Recombinant, human Akt1 fused to a His•Tag® sequence and expressed in S. frugiperda insect cells. Highly active form of Akt1 suitable for phosphorylation of Akt substrates. Specific activity: ≥20,000 units/mg protein. One unit is defined as the amount of enzyme that will catalyze the transfer of 1.0 pmol phosphate to the peptide substrate RPRAATF per min at 30°C. Purity: ≥95% by SDS-PAGE. Ref.: Nicholson, K.M. and Anderson, N.G. 2002. Cell. Signal. 14, 381. Vazquez, F. and Sellers, W.R. 2000. Biochim. Biophys. Acta. 1470, M21. Coffer, P.J., et al. 1998. Biochem. J. 335, 1. |