The catalytic site is the "engine room" of the enzyme. While the larger holds the substrate in place, the catalytic site contains the catalytic residues (amino acids) that directly lower the activation energy of the reaction. Size : Usually consists of only 2 to 6 specific amino acids.
The primary job of the catalytic site is to lower the ( Eacap E sub a catalytic site of enzyme
Modern biochemistry favors the over the rigid "Lock and Key" theory. When a substrate enters the catalytic site, the enzyme slightly changes shape. This conformational change puts physical stress on the substrate’s bonds, pushing it toward the transition state —the high-energy, unstable midpoint of the reaction. Acid-Base Catalysis The catalytic site is the "engine room" of the enzyme
For a reaction to occur, molecules must collide with the correct orientation. In solution, molecules move randomly. The catalytic site acts as a vessel that binds substrates and holds them in the exact alignment required for bond formation, effectively increasing the probability of reaction. The primary job of the catalytic site is