chemical structure 98 metabolism chemistry 84 article 60 Models, Molecular 56 unclassified drug 44 Molecular Structure 36 animal 36 Animals 34 controlled study 34 nonhuman 34 Humans 32 human 32 genetics 26 molecular dynamics 26 synthesis 22 priority journal 20 structure activity relation 20 Article 18 Molecular Sequence Data 18 molecular genetics 18 Amino Acid Sequence 16 X ray crystallography 16 amino acid sequence 16 biosynthesis 16 hydrogen bond 16 ligand 16 protein function 16 Crystallography, X-Ray 14 drug effect 14