Reaction catalyzed by E1 ubiquitin-activating enzyme (6.2.1.45) show all sequences for 6.2.1.45
ATP
+
+
[E1 ubiquitin-activating enzyme]-L-cysteine
=
AMP
+
+
S-ubiquitinyl-[E1 ubiquitin-activating enzyme]-L-cysteine
ATP
+
ubiquitin
+
[E1 ubiquitin-activating enzyme]-L-cysteine
=
AMP
+
diphosphate
+
S-ubiquitinyl-[E1 ubiquitin-activating enzyme]-L-cysteine