Ubiquitin-Activating Enzymes

Ubiquitin-Activating Enzyme; Ubiquitin-Activating Enzyme E1; Ubiquitination Activating Enzyme E1; Enzyme E1, Ubiquitin-Activating; Enzyme, Ubiquitin-Activating; Enzymes, Ubiquitin-Activating; Ubiquitin Activating Enzyme; Ubiquitin Activating Enzyme E1
A class of enzymes that catalyzes the ATP-dependent formation of a thioester bond between itself and UBIQUITIN. It then transfers the activated ubiquitin to one of the UBIQUITIN-PROTEIN LIGASES.