priority journal protein protein interaction nonhuman 200 article 172 controlled study 166 Animals 162 Humans 138 unclassified drug 134 human 124 protein expression 100 animal cell 90 protein function 88 Protein Binding 86 mouse 76 Mice 74 human cell 74 signal transduction 74 metabolism 66 Article 56 protein domain 56 protein binding 54 protein localization 52 animal 48 Cell Line 44 genetics 44 Signal Transduction 40 Molecular Sequence Data 38 Proteins 38 animal experiment 38 cell proliferation 38