2.1 (25) - Coenzymes and Prosthetic Groups
What are Cofactors?
- A cofactor is any substance that must be present in an ezyme for it to be able to function at an appropriate rate.
- Cofactors that are part of the enzyme are called; prosthetic group.
- Cofactors that affect the enzyme temporarily are called; coenzymes and inorganic ion cofactors.
- Small organic, non-protein molecues that bind to an enzyme for a short period to the active site.
- In many reactions, they take part and are changed in some way.
- They can then be recycled to be used again.
- The role of coenzymes is often to carry chemical groups between enzymes so they link…
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