Animals 68 Humans animal chemistry human 68 priority journal nonhuman 52 metabolism 50 controlled study 40 unclassified drug 40 Article 26 mouse 26 animal cell 24 article 24 human cell 24 Mice 22 Proteins 16 Review 16 drug effect 16 protein conformation 16 protein function 16 binding affinity 14 cell proliferation 14 genetics 14 in vitro study 14 protein phosphorylation 14 rat 14 Protein Conformation 12 Rats 12 animal experiment 12