Enzyme Activation article 220 enzyme activation 168 nonhuman 142 priority journal 140 controlled study 114 Animals 102 metabolism 84 signal transduction 74 animal cell 72 enzyme activity 72 enzymology 62 Kinetics 60 Signal Transduction 60 animal 58 Phosphorylation 54 Mice 52 mouse 52 Humans 50 unclassified drug 50 Animal 48 Support, Non-U.S. Gov't 48 mitogen activated protein kinase 1 46 animal experiment 44 Animalia 42 Rats 42 animal tissue 42 Female 38 human 38 protein expression 38