EC 2.3.2.24: (E3-independent) E2 ubiquitin-conjugating enzyme
Reaction catalysed:
(1a) S-ubiquitinyl-[E1 ubiquitin-activating enzyme]-L-cysteine + [(E3-independent) E2 ubiquitin-conjugating enzyme]-L-cysteine = [E1 ubiquitin-activating enzyme]-L-cysteine + S-monoubiquitinyl-[(E3-independent) ubiquitin-conjugating enzyme]-L-cysteine
Systematic name:
S-ubiquitinyl-[E1 ubiquitin-activating enzyme]-L-cysteine:L-lysine ubiquitinyl transferase ([E3 ubiquitin transferase]-independent)
Alternative Name(s):
- E2-230K
- E3-independent ubiquitin-conjugating enzyme E2
- UBE2O
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