protein localization nonhuman 272 priority journal 268 article 254 controlled study 254 Animals 216 protein expression 156 unclassified drug 152 human 146 animal cell 144 Humans 132 protein function 116 animal tissue 98 metabolism 98 human cell 86 mouse 86 cellular distribution 84 Mice 80 animal 78 female 78 signal transduction 76 Female 70 animal experiment 70 male 70 protein protein interaction 62 immunohistochemistry 58 messenger RNA 58 protein analysis 58 Male 56 rat 56