cAMP-specific phosphodiesterase 4B2, Catalytic Domain PDE4B2CAT Liquid. In 150 mM NaCl, 10 mM Tris, 0.1% NP-40, pH 8.3. AVOID FREEZE/THAW CYCLES. Recombinant, human phosphodiesterase 4B2 catalytic domain fused to a His•Tag® sequence and expressed in S. frugiperda insect cells using a baculovirus expression system. Supplied as a partially purified preparation. Activity: ≥0.5 units/µl. One unit is defined as the amount of enzyme that will convert 1 µmole cAMP to AMP per min at pH 7.5, 30°C. Ref.: Gibson, L.C.D., et al. 2006. Eur. J. Pharmacol. 538, 39. Xu, R.X., et al. 2000. Science 288, 1822. |