Reaction catalyzed by RING-type E3 ubiquitin transferase (2.3.2.27)
S-ubiquitinyl-[E2 ubiquitin-conjugating enzyme]-L-cysteine
+
[ABI5]-L-lysine
=
[E2 ubiquitin-conjugating enzyme]-L-cysteine
+
N6-ubiquitinyl-[ABI5]-L-lysine
S-ubiquitinyl-[E2 ubiquitin-conjugating enzyme]-L-cysteine
+
[ABI5]-L-lysine
=
[E2 ubiquitin-conjugating enzyme]-L-cysteine
+
N6-ubiquitinyl-[ABI5]-L-lysine