What is Apoenzyme in Microbiology?

Learn Apoenzyme definition in microbiology with explanation to study “What is Apoenzyme”. Study apoenzyme explanation with microbiology terms to review microbiology course for online degree programs.

Apoenzyme Definitions

  1. Protein part of an enzyme that also has a nonprotein component.

    Prescott's Microbiology 9th Edition by Joanne Willey, Linda Sherwood, Christopher J. Woolverton



  2. Protein part of an enzyme, as opposed to the nonprotein or inorganic cofactors.

    Foundations in Microbiology by Kathleen Park Talaro, Arthur Talaro



Apoenzyme Explanation

Apoenzymes are inactive parts of enzymes that have nonprotein components attached with them. These enzymes become activated when the inorganic or organic cofactors bind with them. Holoenzyme is an example of apoenzyme. Holoenzyme is catalytically active as it is complete with a cofactor attached to it.

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