Definition of proteasome in English:


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


  • A complex of proteinases involved in breaking down selected intracellular proteins.
    More 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.


1980s: from protein + -some3.

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