# Endoenzyme

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{{more citations needed|date=January 2017}}
An '''endoenzyme''', or '''intracellular enzyme''', is an [enzyme](/source/enzyme) that functions [within the cell](/source/intracellular) in which it was produced.<ref>{{cite book |url=https://books.google.com/books?id=xnClBCuo71IC&dq=endoenzyme&pg=PA917 |title=Microbiology:Application Based Approach |author=Michael J. Pelczar |year=2010 |page=917 |publisher=Tata McGraw-Hill Education |isbn=9780070151475 |accessdate=18 Jan 2017}}</ref> Because the majority of enzymes fall within this category, the term is used primarily to differentiate a specific enzyme from an [exoenzyme](/source/exoenzyme). It is possible for a single enzyme to have both endoenzymatic and exoenzymatic functions; for example, glycolytic enzymes of Kreb's Cycle.{{citation needed|date=January 2017}} In most cases the term endoenzyme refers to an enzyme that binds to a bond 'within the body' of a large molecule - usually a polymer. For example, an endoamylase would break down large amylose molecules into shorter dextrin chains. On the other hand, an exoenzyme removes subunits from the polymer one at a time from one end; in effect it can only act at the end ponts of a polymer. An exoamylase would therefore remove one glucose molecule at a time from the end of an amylose molecule.

==References==
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Category:Enzymes

{{Enzyme-stub}}

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Adapted from the Wikipedia article [Endoenzyme](https://en.wikipedia.org/wiki/Endoenzyme) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Endoenzyme?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.