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Cyclic AMP phosphodiesterase in rat adipocytes is stimulated by insulin and also by agents that increase cyclic AMP levels. When the enzyme is immunoprecipitated from a solubilised microsomal preparation from adipocytes prelabelled with radioactive phosphate and separated on SDS polyacrylamide gels, label is found in a protein band at the expected Mr for(More)
1. Phosphodiesterase activity in rat liver supernatant and solubilized rat liver particulate fractions was chromatographed on Q Sepharose and several characteristics of each peak determined. 2. Rat liver supernatant contained four peaks of activity. The first two of these corresponded to type I and II phosphodiesterases. The fourth peaks was similar to a(More)
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