The modification of proteins with ubiquitin is an important cellular mechanism for targeting abnormal or short-lived proteins for degradation. Ubiquitination involves at least three classes of enzymes: ubiquitin-activating enzymes, or E1s, ubiquitin-conjugating enzymes, or E2s, and ubiquitin-protein ligases, or E3s. UBE2B is a member of the E2 ubiquitin-conjugating enzyme family. This enzyme is required for post-replicative DNA damage repair. Its protein sequence is 100% identical to the mouse, rat, and rabbit homologs, which indicates that this enzyme is highly conserved in eukaryotic evolution.
E2 protein; E2 ubiquitin-conjugating enzyme B; E2(14k); E214K; HR6B; RAD6 homolog B; Ubiquitin carrier protein B; ubiquitin conjugating enzyme; ubiquitin conjugating enzyme E2B; Ubiquitin-conjugating enzyme E2 B; Ubiquitin-conjugating enzyme E2(14k); Ubiquitin-conjugating enzyme E2-17 kDa; ubiquitin-conjugating enzyme E2B (RAD6 homolog); ubiquitin-conjugating enzyme E2B (RAD6 homolog, S. cerevisiae); ubiquitin-conjugating enzyme E2B, RAD6 homolog; ubiquitin-conjugating enzyme E2B, RAD6 homology; Ubiquitin-protein ligase B
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