pro·​te·​a·​some ˈprō-tē-ə-ˌsōm How to pronounce proteasome (audio)
: a hollow, cylindrical cellular structure that is a complex of proteases involved in the selective degradation of intracellular proteins and especially proteins marked for proteolysis by ubiquitin
Tagged proteins are then fed into the proteasome, a barrel-shaped multi-protein complex that chops proteins down into their component amino acids for reuse.Caroline Williams, New Scientist

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Cite this Entry

“Proteasome.” Medical Dictionary, Merriam-Webster, Accessed 3 Oct. 2023.

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