Definition of ubiquitin in English:

ubiquitin

noun juːˈbɪkwɪtɪnyo͞oˈbikwidən

mass nounBiochemistry

A compound found in living cells which plays a role in the degradation of defective and superfluous proteins. It is a single-chain polypeptide.
〔生化〕泛（激）素，遍在蛋白质
Example sentencesExamples
- Ubiquitin is a 7.6kDa protein that is covalently attached to proteins targeted for degradation by ubiquitin ligases.
- Ubp3 is a deubiquitination enzyme and a member of a large family of cysteine proteases that cleave ubiquitin moieties from protein substrates.
- Comparison of simulations of the unfolding processes of protein L and ubiquitin suggests that these proteins unfold by a similar structural mechanism.
- The protein is linked to a second protein, ubiquitin, when the cell detects that DNA damage has occurred.
- This suggests that independent protein degradation pathways for ubiquitin, as well as for the proteasome complex, may exist in strawberry fruit.

Origin

1970s: from ubiquitous + -in¹.

Definition of ubiquitin in US English:

ubiquitin

nounyo͞oˈbikwidən

Biochemistry

A compound found in living cells which plays a role in the degradation of defective and superfluous proteins. It is a single-chain polypeptide.
〔生化〕泛（激）素，遍在蛋白质
Example sentencesExamples
- This suggests that independent protein degradation pathways for ubiquitin, as well as for the proteasome complex, may exist in strawberry fruit.
- Comparison of simulations of the unfolding processes of protein L and ubiquitin suggests that these proteins unfold by a similar structural mechanism.
- The protein is linked to a second protein, ubiquitin, when the cell detects that DNA damage has occurred.
- Ubp3 is a deubiquitination enzyme and a member of a large family of cysteine proteases that cleave ubiquitin moieties from protein substrates.
- Ubiquitin is a 7.6kDa protein that is covalently attached to proteins targeted for degradation by ubiquitin ligases.

Origin

1970s: from ubiquitous + -in.

词汇	ubiquitin
释义	Definition of ubiquitin in English: ubiquitin noun juːˈbɪkwɪtɪnyo͞oˈbikwidən mass nounBiochemistry A compound found in living cells which plays a role in the degradation of defective and superfluous proteins. It is a single-chain polypeptide. 〔生化〕泛（激）素，遍在蛋白质 Example sentencesExamples Ubiquitin is a 7.6kDa protein that is covalently attached to proteins targeted for degradation by ubiquitin ligases. Ubp3 is a deubiquitination enzyme and a member of a large family of cysteine proteases that cleave ubiquitin moieties from protein substrates. Comparison of simulations of the unfolding processes of protein L and ubiquitin suggests that these proteins unfold by a similar structural mechanism. The protein is linked to a second protein, ubiquitin, when the cell detects that DNA damage has occurred. This suggests that independent protein degradation pathways for ubiquitin, as well as for the proteasome complex, may exist in strawberry fruit. Origin 1970s: from ubiquitous + -in¹. Definition of ubiquitin in US English: ubiquitin nounyo͞oˈbikwidən Biochemistry A compound found in living cells which plays a role in the degradation of defective and superfluous proteins. It is a single-chain polypeptide. 〔生化〕泛（激）素，遍在蛋白质 Example sentencesExamples This suggests that independent protein degradation pathways for ubiquitin, as well as for the proteasome complex, may exist in strawberry fruit. Comparison of simulations of the unfolding processes of protein L and ubiquitin suggests that these proteins unfold by a similar structural mechanism. The protein is linked to a second protein, ubiquitin, when the cell detects that DNA damage has occurred. Ubp3 is a deubiquitination enzyme and a member of a large family of cysteine proteases that cleave ubiquitin moieties from protein substrates. Ubiquitin is a 7.6kDa protein that is covalently attached to proteins targeted for degradation by ubiquitin ligases. Origin 1970s: from ubiquitous + -in.
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