The element nitrogen is critical in the living world. It is a basic building block of structural and regulatory proteins, nucleic acids, and chlorophyll in plants. God created the nitrogen metabolic networks found in people and various living organisms. There is a large group of versatile nitrogen-containing enzymes called aminotransferases (ATs) or transaminases. They are designed to move amino groups (the building blocks of proteins) between amino acids and keto acids. Their importance lies...