Results 41 to 50 of about 33,989 (317)
Multimodal activation of the ubiquitin ligase SCF by Nedd8 conjugation [PDF]
Conjugation of ubiquitin-like protein Nedd8 to cullins (neddylation) is essential for the function of cullin-RING ubiquitin ligases (CRLs). Here, we show that neddylation stimulates CRL activity by multiple mechanisms.
Deshaies, Raymond J., Saha, Anjanabha
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Ever since the discovery of ubiquitin in 1975[...]
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Optineurin functions for optimal immunity [PDF]
Optineurin (OPTN) was identified 20 years ago in a yeast-two-hybrid screen with a viral protein known to inhibit the cytolytic effects of tumor necrosis factor.
Slowicka, Karolina, van Loo, Geert
core +1 more source
A Ubiquitin-like Protein Unleashes Ubiquitin Ligases [PDF]
Modification of cullin-RING ubiquitin ligases by the ubiquitin-like molecule Nedd8 promotes substrate ubiquitination. A crystal structure of a cullin modified by Nedd8 recently reported in Cell (Duda et al., 2008) and a biochemical study in Molecular Cell (Saha and Deshaies, 2008) reveal the dramatic impact on the ligase machinery by conjugation of ...
Ning Zheng+2 more
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Drought stress from soil or air limits plant growth and development, leading to a reduction in crop productivity. Several E3 ligases positively or negatively regulate the drought stress response.
Sang-Wook Han+3 more
doaj +1 more source
Mass spectrometry insights into a tandem ubiquitin-binding domain hybrid engineered for the selective recognition of unanchored polyubiquitin [PDF]
Unanchored polyubiquitin chains are emerging as importanregulators of cellular physiology with diverse roles paralleling those of substrate-conjugated polyubiquitin.
Banerjee+27 more
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Emi1 preferentially inhibits ubiquitin chain elongation by the anaphase promoting complex [PDF]
The anaphase promoting complex (APC) is the crucial ubiquitin ligase targeting the regulatory machinery of the cell cycle. Emi1, a major modulator of APC activity, is thought to act competitively as a pseudosubstrate.
Kirschner, Marc W., Wang, Weiping
core +1 more source
Using Ubiquitin Binders to Decipher the Ubiquitin Code [PDF]
Post-translational modifications (PTMs) by ubiquitin (Ub) are versatile, highly dynamic, and involved in nearly all aspects of eukaryote biological function. The reversibility and heterogeneity of Ub chains attached to protein substrates have complicated their isolation, quantification, and characterization.
Mattern M+4 more
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Background The observed mutations in cancer are the result of ~30 mutational processes, which stamp particular mutational signatures (MS). Nevertheless, it is still not clear which genomic alterations correlate to several MS.
Victor Trevino
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Background Ubiquitination is mediated by the sequential action of at least three enzymes: the E1 (ubiquitin-activating enzyme), E2 (ubiquitin-conjugating enzyme) and E3 (ubiquitin ligase) proteins. Polyubiquitination of target proteins is also implicated
Seki Motoaki+5 more
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