cAMP-dependent protein kinase. Molecular model of cAMP-dependent protein kinase complexed with a peptide inhibitor and ATP (adenosine triphosphate). This enzyme is also known as protein kinase A (PKA). Protein kinase enzymes modify other proteins by chemically adding phosphate groups to them (phosphorylation). PKA regulates a number of cellular processes,including lipid and glucagon metabolism | |
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