How do drug manufacturer's use this information? Some drugs are made to fit into the enzyme cleft, just just enough different to clock the usual production. For example, they might be similar enough to be recognized by the binding site but just dissimilar enough not to be connected to another of the molecules being to the site.
One bacteria-fighting strategy is to identify the enzymes critical to its working and block that enzyme.
Penicillin attacks the cell walls of bacteria, as does lysozyme.
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