enzyme kinetics article 72 nonhuman 70 priority journal 50 controlled study 42 enzyme activity 42 unclassified drug 40 Kinetics 32 enzyme inhibition 24 Animals 22 animal cell 22 metabolism 18 animal experiment 16 catalysis 16 animal tissue 14 chemistry 14 enzyme active site 14 Enzyme Activation 12 Hydrogen-Ion Concentration 12 Saccharomyces cerevisiae 12 Support, Non-U.S. Gov't 12 enzyme mechanism 12 enzyme specificity 12 enzyme substrate 12 in vitro study 12 Animal 10 Catalysis 10 Enzyme Stability 10 Molecular Conformation 10 Substrate Specificity 10