nonhuman protein protein interaction priority journal 200 Animals 162 article 158 controlled study 156 Humans 118 unclassified drug 118 human 104 animal cell 102 protein expression 96 mouse 86 Mice 82 protein function 82 Protein Binding 76 metabolism 68 signal transduction 62 Article 56 human cell 52 animal 50 protein localization 50 protein binding 48 Signal Transduction 46 animal experiment 46 protein domain 44 animal tissue 40 genetics 38 Amino Acid Sequence 34 Molecular Sequence Data 34 female 34