Ubiquitin-Conjugating Enzymes

**Definition:** A class of enzymes that form a thioester bond to UBIQUITIN with the assistance of UBIQUITIN-ACTIVATING ENZYMES. They transfer ubiquitin to the LYSINE of a substrate protein with the assistance of UBIQUITIN-PROTEIN LIGASES.

**Tree numbers:** - D08.811.464.938.500

**Synonyms:** - Ubiquitin-Conjugating Enzyme - Ubiquitin-Conjugating Enzyme E2