protein function nonhuman 212 priority journal 204 controlled study 186 article 180 Animals 165 human 147 protein expression 146 Humans 133 unclassified drug 128 metabolism 90 animal cell 84 signal transduction 74 mouse 71 animal 65 human cell 62 Mice 61 animal experiment 59 Article 57 protein analysis 56 genetics 50 protein protein interaction 49 Female 48 female 48 protein localization 48 animal tissue 45 male 44 Signal Transduction 42 protein binding 40 enzyme activity 39