ACE protein, human Angiotensin converting enzyme inhibitory activity Animals Article Catalysis Catalytic Domain Gene Expression Regulation Humans Hydrolysis IC50 Kinetics Michaelis constant Models, Molecular Molecular Docking Simulation Molecular docking Palm Oil Peptide Peptide Fragments Peptidyl-Dipeptidase A Plant Proteins amino acid sequence animal binding affinity carboxy terminal sequence catalysis catalytic efficiency chemistry computer model controlled study dipeptidyl carboxypeptidase