The phosphorylation of a protein is typically associated with a change in activity, the assembly of a protein complex, or the triggering of a downstream signaling cascade.The addition of ubiquitin, a small polypeptide, is another type of covalent modification that can affect the protein function.Ubiquitylation often results in

Question

Quizplus · Accepted Answer

Ubiquitylation often marks a protein for degradation by the proteasome. This can affect protein function by reducing its abundance or by altering its interaction with other proteins.

The Phosphorylation of a Protein Is Typically Associated with a Change