Share this entry

proteasome Line breaks: pro¦te|asome
Pronunciation: /ˈprəʊtɪəˌsəʊm/

Definition of proteasome in English:

noun

Biochemistry
A complex of proteinases involved in breaking down selected intracellular proteins.
Example sentences
  • In the context of the cell, the unfolding process participates in several important steps in cellular physiology, such as protein turnover in proteasomes.
  • Among the archaebacterial-specific genes several ribosomal proteins, DNA metabolic enzymes, and proteasome subunits are prominent.
  • The proteasome and other endoproteolytic enzymes are located in the cytosol and may also be involved in the catabolism of larger fragments.

Origin

1980s: from protein + -some3.

Definition of proteasome in:

Share this entry

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day exemplum
Pronunciation: ɪɡˈzɛmpləm
noun
an example or model...