Cofactor

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Many enzymes require the presence of cofactors to become catalytically active. An enzyme without its cofactor is an apoenzyme, whereas the complete catalytically active complex is called a holoenzyme.

Cofactors are small molecules and are generally required to perform functions that cannot be performed by the standard amino acids. They can be subdivided into two groups:

References

  1. Berg, J.M., Tymoczko, J.L. and Stryer, L., 2011. Biochemistry 7th ed. New York: W.H. Freeman amd Company.
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