ubiquitin

u·biq·ui·tin

U5001600 (yo͞o-bĭk′wĭ-tĭn)n. A small protein found in all eukaryotic cells that attaches to other proteins, thereby regulating their activity or location or marking them for degradation.

[ubiquit(ous) + -in.]

ubiquitin

(juːˈbɪkwɪtɪn) n (Biochemistry) biochem a small polypeptide, found in most eukaryotic cells, that combines with other proteins to make them susceptible to degradation[C20: from ubiquitous + -in] uˌbiquitiˈnation n

ubiquitin

[yü′bik·wə‚tin] (biochemistry) A small, 76-amino-acid, highly conserved protein present in the cytoplasm and nucleus of all eukaryotes (but not eubacteria and archaea). The covalent, ATP-dependent linkage of multiple ubiquitin molecules to proteins serves as a signal for their degradation by the 26S proteasome.

ubiquitin

u·biq·ui·tin

(ū-bik'kwi-tin), [MIM*191320] A small (76 amino acyl residues) protein found in all cells of higher organisms and one with a structure that has changed minimally during evolutionary history; involved in at least two processes; histone modification and intracellular protein breakdown.

ubiquitin

(yo͞o-bĭk′wĭ-tĭn)n. A small protein found in all eukaryotic cells that attaches to other proteins, thereby regulating their activity or location or marking them for degradation.

u·bi·qui·tin

(yū-bik'kwi-tin) A small protein found in all cells of higher organisms; its structure has changed minimally during evolutionary history; involved in histone modification and intracellular protein breakdown.

ubiquitin

A small 76-residue protein found in all animal cells and known to have altered minimally throughout evolutionary history. Ubiquitin is linked by covalent bonds to proteins destined for destruction by PROTEASOMES.

ubiquitin

a small PROTEIN, present in all eukaryotic cells (ubiquitous protein), containing a highly conserved sequence of 76 AMINO ACIDS, that is identical in a wide range of organisms including humans, fish and insects. Ubiquitin is involved in a number of cellular functions, such as protein degradation and modifications to CHROMATIN structure.

单词	ubiquitin
释义	ubiquitin u·biq·ui·tin U5001600 (yo͞o-bĭk′wĭ-tĭn)n. A small protein found in all eukaryotic cells that attaches to other proteins, thereby regulating their activity or location or marking them for degradation. [ubiquit(ous) + -in.] ubiquitin (juːˈbɪkwɪtɪn) n (Biochemistry) biochem a small polypeptide, found in most eukaryotic cells, that combines with other proteins to make them susceptible to degradation[C20: from ubiquitous + -in] uˌbiquitiˈnation n ubiquitin ubiquitin [yü′bik·wə‚tin] (biochemistry) A small, 76-amino-acid, highly conserved protein present in the cytoplasm and nucleus of all eukaryotes (but not eubacteria and archaea). The covalent, ATP-dependent linkage of multiple ubiquitin molecules to proteins serves as a signal for their degradation by the 26S proteasome. ubiquitin u·biq·ui·tin (ū-bik'kwi-tin), [MIM191320] A small (76 amino acyl residues) protein found in all cells of higher organisms and one with a structure that has changed minimally during evolutionary history; involved in at least two processes; histone modification and intracellular protein breakdown. ubiquitin (yo͞o-bĭk′wĭ-tĭn)n. A small protein found in all eukaryotic cells that attaches to other proteins, thereby regulating their activity or location or marking them for degradation. u·bi·qui·tin (yū-bik'kwi-tin) A small protein found in all cells of higher organisms; its structure has changed minimally during evolutionary history; involved in histone modification and intracellular protein breakdown. ubiquitin A small 76-residue protein found in all animal cells and known to have altered minimally throughout evolutionary history. Ubiquitin is linked by covalent bonds to proteins destined for destruction by PROTEASOMES. ubiquitin a small PROTEIN, present in all eukaryotic cells (ubiquitous protein), containing a highly conserved sequence of 76 AMINO ACIDS, that is identical in a wide range of organisms including humans, fish and insects. Ubiquitin is involved in a number of cellular functions, such as protein degradation and modifications to CHROMATIN structure. See* UB See UB
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