Article protein function controlled study 96 nonhuman 86 metabolism 82 priority journal 70 Animals 60 human 60 unclassified drug 58 animal 56 genetics 52 protein expression 52 Humans 46 animal cell 42 mouse 42 Mice 34 signal transduction 34 animal experiment 32 protein protein interaction 32 chemistry 28 human cell 26 protein analysis 26 in vitro study 22 physiology 22 protein binding 22 animal tissue 20 drug effects 20 male 20 cytology 18 female 18