coli strain expressing the catalytic subunit of bovine PKA Purity: 90% Intracellular targets include ion channels, transcriptional activator proteins, and regulatory enzymes of glycogen metabolism Unit Definition: One unit is defined as the amount of enzyme required to incorporate 1pmol of phosphate into casein in one minute at 30°C Storage Buffer: 350mM potassium phosphate (pH 6.8), 0.1mM DTT