Results 21 to 30 of about 596,162 (342)

It’s a TRIM-endous view from the top: the varied roles of TRIpartite Motif proteins in brain development and disease

open access: yesFrontiers in Molecular Neuroscience, 2023
The tripartite motif (TRIM) protein family members have been implicated in a multitude of physiologies and pathologies in different tissues. With diverse functions in cellular processes including regulation of signaling pathways, protein degradation, and
Jane Dudley-Fraser, Katrin Rittinger
doaj   +1 more source

E3 ubiquitin ligases: styles, structures and functions

open access: yesMolecular Biomedicine, 2021
E3 ubiquitin ligases are a large family of enzymes that join in a three-enzyme ubiquitination cascade together with ubiquitin activating enzyme E1 and ubiquitin conjugating enzyme E2.
Quan Yang   +3 more
semanticscholar   +1 more source

Phosphoribosylation of Ubiquitin Promotes Serine Ubiquitination and Impairs Conventional Ubiquitination [PDF]

open access: yesCell, 2016
Conventional ubiquitination involves the ATP-dependent formation of amide bonds between the ubiquitin C terminus and primary amines in substrate proteins. Recently, SdeA, an effector protein of pathogenic Legionella pneumophila, was shown to mediate NAD-dependent and ATP-independent ubiquitin transfer to host proteins.
Bhogaraju, S.   +6 more
openaire   +3 more sources

Ubiquitin signalling in neurodegeneration: mechanisms and therapeutic opportunities

open access: yesCell Death and Differentiation, 2021
Neurodegenerative diseases are characterised by progressive damage to the nervous system including the selective loss of vulnerable populations of neurons leading to motor symptoms and cognitive decline.
Marlene Schmidt   +3 more
semanticscholar   +1 more source

A Ubiquitin-like Protein Unleashes Ubiquitin Ligases [PDF]

open access: yesCell, 2008
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 ...
Saifee, Nabiha Huq, Zheng, Ning
openaire   +2 more sources

Strategies to Investigate Ubiquitination in Huntington's Disease

open access: yesFrontiers in Chemistry, 2020
Many neurodegenerative disorders including Huntington's Disease are hallmarked by intracellular protein aggregates that are decorated by ubiquitin and different ubiquitin ligases and deubiquitinating enzymes. The protein aggregates observed in Huntington'
Karen A. Sap, Eric A. Reits
doaj   +1 more source

Dss1 is a 26S proteasome ubiquitin receptor [PDF]

open access: yes, 2014
The ubiquitin-proteasome system is the major pathway for protein degradation in eukaryotic cells. Proteins to be degraded are conjugated to ubiquitin chains that act as recognition signals for the 26S proteasome.
Arrigoni   +35 more
core   +5 more sources

SUV39 SET domains mediate crosstalk of heterochromatic histone marks

open access: yeseLife, 2021
The SUV39 class of methyltransferase enzymes deposits histone H3 lysine 9 di- and trimethylation (H3K9me2/3), the hallmark of constitutive heterochromatin.
Alessandro Stirpe   +7 more
doaj   +1 more source

A Conditional Yeast E1 Mutant Blocks the Ubiquitin–Proteasome Pathway and Reveals a Role for Ubiquitin Conjugates in Targeting Rad23 to the Proteasome [PDF]

open access: yes, 2007
E1 ubiquitin activating enzyme catalyzes the initial step in all ubiquitin-dependent processes. We report the isolation of uba1-204, a temperature-sensitive allele of the essential Saccharomyces cerevisiae E1 gene, UBA1.
Amerik A. Y.   +59 more
core   +2 more sources

Terminating protein ubiquitination [PDF]

open access: yesCell Cycle, 2011
Ubiquitination is a post-translational modification that generally directs proteins for degradation by the proteasome or by lysosomes. However, ubiquitination has been implicated in many other cellular processes, including transcriptional regulation, DNA repair, regulation of protein-protein interactions and association with ubiquitin-binding scaffolds.
Daniel K, Stringer, Robert C, Piper
openaire   +2 more sources

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