title: Structure and function in biology.
mesh_terms: D000110:Acetylcholinesterase / Q000378:metabolism; D001665:Binding Sites; D001671:Biochemistry / Q000266:history*; D016798:Ciliophora / Q000166:cytology; D004789:Enzyme Activation; D049672:History, 19th Century; D049673:History, 20th Century; D008968:Molecular Conformation; D011516:Prothrombin / Q000378:metabolism; D013329:Structure-Activity Relationship; D013424:Sulfanilamides; D014362:Trypsinogen / Q000378:metabolism
chemical_list: D013424:Sulfanilamides; D011516:Prothrombin; D014362:Trypsinogen; D000110:Acetylcholinesterase