Gowthami Bainaboina*
Deubiquitinating enzymes (DUBs) square measure proteases that cleave ubiquitin or ubiquitin-like proteins from pro-proteins or target proteins. They play many roles within the ubiquitin pathway . First, DUBs perform activation of the ubiquitin pro-proteins, in all probability co-translationally. Ubiquitin is usually expressed as a pro-protein united to either ribosomal proteins or as linear polyubiquitin consisting of multiple copies of mono ubiquitin that has to be processed to yield the mature ubiquitin chemical compound . The polyubiquitin cistron product conjointly contains a further residue at the C-terminus that has to be removed so as to activate ubiquitin
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