Protein modification by Ubiquitin or Ubiquitin-like modifiers is mediated by an enzyme cascade composed of E1s, E2s and E3s enzymes. E1, or ubiquitin-activating enzymes, perform the ubiquitin activation. Next, ubiquitin is transferred to ubiquitin-conjugating enzymes or E2s. Finally, ubiquitin ligas...
ORGANISM(S): Homo sapiens (Human)