Cofactors for Enzymes Flashcards
A substance that enhances the action of an enzyme. They cannot by themselves catalyze a reaction but they can help enzymes to do so. It is a organic or metalorganic molecules?
Coenzymes
It can be either ions or a substance (other than the substrate) whose presence is essential for the activity of an enzyme.
Cofactor
An enzyme without its cofactor is referred as an ______.
Apoenzyme
It is the active forms of enzymes that requires cofactor?
Haloenzyme
It is the cofactors that bind tightly to proteins or enzymes. It can be organic or metal ions and are often attached to proteins by a covalent bond. The same cofactors can bind multiple different types of enzymes and may bind some enzymes loosely, as a coenzyme, and others tightly.
Prosthetic group
It is a measure of rate at which an enzyme converts substrate to products?
Enzyme Activity
3 Factors Affecting enzyme Activity?
- Substrate concentration
- pH
- Temperature