Ubiquitin ligases play a central role in determining the specificity of the ubiquitination system
by selecting a myriad of appropriate candidate proteins for modification. The U-box is a …

The ubiquitin-26S proteasome system is important in the quality control of intracellular
proteins. The ubiquitin-26S proteasome system includes the E1 (ubiquitin activating), E2 …

E3 ubiquitin ligases of the ubiquitin proteasome system (UPS) mediate recognition of
substrates and later transfer the ubiquitin (Ub). They are the most expanded components of …

The Arabidopsis genome was searched to identify predicted proteins containing armadillo
(ARM) repeats, a motif known to mediate protein-protein interactions in a number of different …

U-box E3 ligase genes play specific roles in protein degradation by post-translational
modification in plant signaling pathways, developmental stages, and stress responses; …

Background Protein ubiquitination is a ubiquitous mechanism in eukaryotes. In Arabidopsis,
ubiquitin modification is mainly mediated by two ubiquitin activating enzymes (E1s), 37 …

Ubiquitin-mediated proteolysis is an integral part of diverse cellular functions, and of the
three enzymes involved in linking ubiquitin to protein targets, the E3 ubiquitin ligases are of …

Ubiquitin-conjugating enzyme E2s (UBCs), which catalyze the transfer of ubiquitin to
substrate or E3 ligases, are key enzymes in ubiquitination modifications of target proteins …

U-box proteins, as well as other proteins involved in regulated protein degradation, are
apparently over-represented in Arabidopsis compared with other model eukaryotes. The …

The U-box gene family is a family of genes which encode U-box domain-containing proteins.
However, little is known about U-box genes in banana (Musa acuminata). In this study, 91 U …