MeSH definition : 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.;
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.