nonhuman 40 article 38 priority journal 38 Protein kinase A 30 cyclic AMP dependent protein kinase 30 Cyclic AMP-Dependent Protein Kinases 24 controlled study 24 enzyme activity 18 Saccharomyces cerevisiae 16 enzyme activation 16 Enzyme Activation 14 animal cell 14 unclassified drug 14 Animals 12 Cyclic AMP 12 Phosphorylation 12 Yeast 12 cyclic AMP 12 Amylomyces rouxii 10 Fungi 10 Mucor 10 Saccharomyces cerevisiae Proteins 10 Signal Transduction 10 enzyme active site 10 protein phosphorylation 10 Catalytic Domain 8 Mammalia 8 Mucor rouxii 8 Mutation 8 Peptides 8