Chemical modification of enzymes.
D001665:Binding Sites; D002384:Catalysis; D004355:Drug Stability / Q000379:methods*; D004791:Enzyme Inhibitors / Q000378:metabolism; D004798:Enzymes / Q000378:metabolism*; D011309:Preservation, Biological / Q000379:methods*
D004791:Enzyme Inhibitors; D004798:Enzymes