EC 2.3.2.23: E2 ubiquitin-conjugating enzyme
Reaction catalysed:
S-ubiquitinyl-[E1 ubiquitin-activating enzyme]-L-cysteine + [E2 ubiquitin-conjugating enzyme]-L-cysteine = [E1 ubiquitin-activating enzyme]-L-cysteine + S-ubiquitinyl-[E2 ubiquitin-conjugating enzyme]-L-cysteine
Systematic name:
S-ubiquitinyl-[E1 ubiquitin-activating enzyme]-L-cysteine:[E2 ubiquitin-conjugating enzyme] ubiquitinyl transferase
Alternative Name(s):
- UBC
- Ubiquitin-carrier-protein E2
- Ubiquitin-conjugating enzyme E2
EC 2.3.2.27: RING-type E3 ubiquitin transferase
Reaction catalysed:
S-ubiquitinyl-[E2 ubiquitin-conjugating enzyme]-L-cysteine + [acceptor protein]-L-lysine = [E2 ubiquitin-conjugating enzyme]-L-cysteine + N(6)-ubiquitinyl-[acceptor protein]-L-lysine
Systematic name:
[E2 ubiquitin-conjugating enzyme]-S-ubiquitinyl-L-cysteine:[acceptor protein]-L-lysine ubiquitin transferase (isopeptide bond-forming; RING-type)
Alternative Name(s):
- RING E3 ligase
- Ubiquitin transferase RING E3