First recorded in 1985–90; ubiquit(ous) + -in1 (Source: dictionary.com)
1970s from ubiquitous+ -in. (Source: lexico.com)
Definitions of Ubiquitin
- a small protein, present in all eukaryotic cells, that participates in the destruction of defective proteins and in the synthesis of new proteins.
- biochem a small polypeptide, found in most eukaryotic cells, that combines with other proteins to make them susceptible to degradation
- A polypeptide found in all eukaryotic cells, including plant cells, that participates in a variety of cellular functions including protein degradation.
- A compound found in living cells which plays a role in the degradation of defective and superfluous proteins. It is a single-chain polypeptide.
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