title: Need a catalyst? Design an enzyme.
mesh_terms: D000595:Amino Acid Sequence; D001665:Binding Sites; D001671:Biochemistry / Q000379:methods*; D002384:Catalysis; D003001:Cloning, Molecular; D004798:Enzymes / Q000235:genetics / Q000378:metabolism*; D009154:Mutation; D013329:Structure-Activity Relationship; D013379:Substrate Specificity; D013762:Tetrahydrofolate Dehydrogenase / Q000378:metabolism; D014448:Tyrosine-tRNA Ligase / Q000378:metabolism; D001618:beta-Lactamases / Q000378:metabolism
chemical_list: D004798:Enzymes; D013762:Tetrahydrofolate Dehydrogenase; D001618:beta-Lactamases; D014448:Tyrosine-tRNA Ligase