ubiquitin attaches to proteins via many biochemical reactions, please explain how this attachment targets protein for degradation and describe the biochemical reactions.

Respuesta :

The ubiquitin attaches to proteins via many biochemical reactions, and targets the protein for degradation.

Which residue of goal protein attaches with ubiquitin?

Ubiquitylation includes ubiquitin conjugation to a lysine residue of a goal protein or to an already-sure ubiquitin molecule, thereby forming a branching structure. This amendment can serve to goal the protein for degradation with the aid of using the 26S proteasome if the more than one ubiquitin molecules are conjugated with the aid of using lysine-48.

Proteins are marked for degradation with the aid of using the attachment of ubiquitin to the amino organization of the facet chain of a lysine residue. Additional ubiquitins are then delivered to shape a multiubiquitin chain. Such polyubiquitinated proteins are identified and degraded with the aid of using a large, multisubunit protease complex, known as the proteasome.

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