what-happens-to-ubiquitin-peptides-after-they-have-marked-a-protein-for-degradat

Question

What happens to ubiquitin peptides after they have marked a protein for degradation?

Accepted Answer

They are recycled and reused to target other proteins for ubiquitination.

Answer

They are permanently attached to the proteasome.

Answer

They are degraded along with the target protein.

Answer

They are converted into energy for the cell.