Proteasome Definition

prōtē-ə-sōm
noun
A cellular protein complex consisting of proteolytic enzymes that mainly degrade endogenous proteins that are damaged, pathogenic, or no longer necessary, such as cyclins.
American Heritage

Other Word Forms of Proteasome

Noun

Singular:
proteasome
Plural:
proteasomes

Origin of Proteasome

  • Alteration of earlier prosome (influenced by protease) pro(grammed) from the earlier belief that proteasomes played a role in regulating messenger RNA translation –some

    From American Heritage Dictionary of the English Language, 5th Edition

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proteasome