IntEnz results for 6.3.2.19

1.
EC 6.3.2.19
ubiquitin—protein ligase (inactive entry)
2.
EC 2.3.2.23
E2 ubiquitin-conjugating enzyme
3.
EC 2.3.2.27
RING-type E3 ubiquitin transferase
4.
EC 6.2.1.45
E1 ubiquitin-activating enzyme