genetics metabolism amino acid sequence 118 article 114 Amino Acid Sequence 100 molecular genetics 90 Molecular Sequence Data 88 chemistry 88 nonhuman 80 priority journal 76 controlled study 74 animal 68 Animals 66 Humans 56 human 56 nucleotide sequence 56 unclassified drug 54 Article 48 enzymology 48 gene expression regulation 48 physiology 40 protein domain 38 molecular cloning 34 signal transduction 34 sequence alignment 32 Cloning, Molecular 30 Recombinant Proteins 30 Sequence Alignment 30 protein function 30 recombinant protein 30