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A compound found in living cells which plays a role in the degradation of defective and superfluous proteins. It is a single-chain polypeptide.
- ‘The protein is linked to a second protein, ubiquitin, when the cell detects that DNA damage has occurred.’
- ‘Comparison of simulations of the unfolding processes of protein L and ubiquitin suggests that these proteins unfold by a similar structural mechanism.’
- ‘Ubp3 is a deubiquitination enzyme and a member of a large family of cysteine proteases that cleave ubiquitin moieties from protein substrates.’
- ‘This suggests that independent protein degradation pathways for ubiquitin, as well as for the proteasome complex, may exist in strawberry fruit.’
- ‘Ubiquitin is a 7.6kDa protein that is covalently attached to proteins targeted for degradation by ubiquitin ligases.’
1970s: from ubiquitous + -in.
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From Afghanistan to Zimbabwe, discover surprising and intriguing language facts from around the globe.
The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.