1 | Transferases | - | Transfer of specific groups other than hydrogen from one substrate to another |
2 | Isomerases | - | Catalyse the rearrangement of molecular structure to form isomers |
3 | Ligases | - | Catalyse the cleavage of substrate into two parts, without hydrolysis |
4 | Dehydrogenases | - | Catalyse oxidation-reduction reaction involving transfer of electrons. |
A | B | |
1 | Transition state | Potential energy |
2 | Potential energy | Transition state |
3 | Activation energy without enzyme | Activation energy with enzyme |
4 | Activation energy with enzyme | Activation energy without enzyme |