What is the enzymatic function of proteins?

One of the main functions of proteins is enzymatic. Enzymes are catalyst proteins that accelerate chemical reactions in living organisms. An enzymatic reaction is a chemical reaction that occurs only in the presence of an enzyme. Without an enzyme, not one reaction occurs in living organisms. The work of enzymes is strictly specific, each enzyme has its own substrate, which it breaks down. The enzyme approaches its substrate as a “key to the castle.” Thus, the urease enzyme regulates urea breakdown, the amylase enzyme regulates starch, and the protease enzymes regulate proteins. Therefore, the term “action specificity” is used for enzymes.

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