Animalia 2 Catalytic Domain 2 Cyclic AMP 2 Cyclic AMP-Dependent Protein Kinases 2 Enzyme Activation 2 G protein coupled receptor 2 Glucose 2 Glycerol 2 In situ assay 2 Mutation 2 Oligopeptides 2 PKA (protein kinase A) 2 Phosphorylation 2 Saccharomyces cerevisiae 2 Saccharomyces cerevisiae Proteins 2 Signal Transduction 2 Yeast 2 animal cell 2 article 2 breathing 2 cAMP signalling 2 catalysis 2 cell membrane permeability 2 cell metabolism 2 cyclic AMP dependent protein kinase 2 down regulation 2 extract 2 gel electrophoresis 2 glucose 2 glycerol 2