amino acid sequence priority journal nonhuman 158 article 142 Amino Acid Sequence 124 Animals 100 Molecular Sequence Data 94 controlled study 80 Humans 72 nucleotide sequence 72 human 70 Trypanosoma cruzi 68 unclassified drug 68 metabolism 66 genetics 48 chemistry 46 Trypanosoma 44 animal 44 Article 42 Base Sequence 38 protein analysis 38 sequence homology 38 Sequence Homology, Amino Acid 36 trypanosoma cruzi 36 protein function 34 Sequence Alignment 32 enzyme activity 32 molecular genetics 32 Mammalia 30 carboxy terminal sequence 30