Sulfur and selenium isologs as probes of active sites.
D000109:Acetylcholine; D001665:Binding Sites; D002087:Butyrates; D006571:Heterocyclic Compounds; D006868:Hydrolysis; D007700:Kinetics; D007783:Lactones; D009942:Organometallic Compounds; D010795:Phthalic Acids; D011485:Protein Binding; D012643:Selenium; D013329:Structure-Activity Relationship; D013455:Sulfur
D002087:Butyrates; D006571:Heterocyclic Compounds; D007783:Lactones; D009942:Organometallic Compounds; D010795:Phthalic Acids; D013455:Sulfur; D012643:Selenium; D000109:Acetylcholine