Results 311 to 320 of about 33,702 (335)
Some of the next articles are maybe not open access.
The measurement of ubiquitin and ubiquitinated proteins
Electrophoresis, 1999Ubiquitination of key cellular proteins involved in signal transduction, gene transcription and cell-cycle regulation usually condemns those proteins to proteasomal or lysosomal degradation. Additionally, cycles of reversible ubiquitination regulate the function of certain proteins in a manner analogous to phosphorylation.
Len Neckers +2 more
openaire +3 more sources
Annual Review of Biochemistry, 1998 The selective degradation of many short-lived proteins in eukaryotic cells is carried out by the ubiquitin system. In this pathway, proteins are targeted for degradation by covalent ligation to ubiquitin, a highly conserved small protein. Ubiquitin-mediated degradation of regulatory proteins plays important roles in the control of numerous processes ...
Aaron Ciechanover, Avram Hershko
openaire +2 more sources
Ubiquitin and ubiquitin conjugates in human lens
Experimental Eye Research, 1992Ubiquitin, an 8.5 kDa polypeptide found almost universally in plants and animals, is a normal component in the lens. The best documented function for ubiquitin involves its conjugation to proteins as a signal to initiate degradation. Conjugates for ubiquitin-dependent degradation tend to be of very high molecular mass and are rapidly degraded.
Deanna E. Cyr +3 more
openaire +3 more sources
Activation of Ubiquitin and Ubiquitin-Like Proteins
2010Attachment of ubiquitin and ubiquitin-like proteins to cellular targets represents a fundamental regulatory strategy within eukaryotes and exhibits remarkably pleiotropic effects on cell function. These posttranslational modifications share a common mechanism comprised of three steps: an activating enzyme to couple ATP hydrolysis to formation of a high-
Frederick C. Streich, Arthur L. Haas
openaire +2 more sources
In Vitro Ubiquitination: Self-Ubiquitination, Chain Formation, and Substrate Ubiquitination Assays
2016Ubiquitination of proteins in vitro has evolved as an indispensable tool for the functional analysis of this posttranslational modification. In vitro ubiquitination is particularly helpful to study conjugation mechanisms. The efficiency of the ubiquitination reaction depends in part on the quality of the enzymes utilized.
E. Maspero, S. Polo
openaire +4 more sources
Nature Reviews Neuroscience, 2002
Post-translational modification by the attachment of ubiquitin seems to have a crucial role in regulating synaptic structure and function. By controlling the stability, activity and localization of target proteins, this versatile regulatory system can shape the pattern, activity and plasticity of synaptic connections.
Ashok N. Hegde, Aaron DiAntonio
openaire +3 more sources
Post-translational modification by the attachment of ubiquitin seems to have a crucial role in regulating synaptic structure and function. By controlling the stability, activity and localization of target proteins, this versatile regulatory system can shape the pattern, activity and plasticity of synaptic connections.
Ashok N. Hegde, Aaron DiAntonio
openaire +3 more sources
One Ubiquitin, Two Ubiquitin, Three Ubiquitin, Four
Science's STKE, 2007The role of protein ubiquitination is well known in promoting regulated protein degradation. Mukhopadhyay and Riezman review what is known about the contribution of protein ubiquitination in other cellular pathways, including intracellular signaling, endocytosis, and protein sorting. D. Mukhopadhyay, H.
openaire +2 more sources
Modification of Proteins by Ubiquitin and Ubiquitin-Like Proteins [PDF]
Annual Review of Cell and Developmental Biology, 2006 Following the discovery of protein modification by the small, highly conserved ubiquitin polypeptide, a number of distinct ubiquitin-like proteins (Ubls) have been found to function as protein modifiers as well. These Ubls, which include SUMO, ISG15, Nedd8, and Atg8, function as critical regulators of many cellular processes, including transcription ...
Oliver Kerscher +2 more
openaire +2 more sources
Annual Review of Biochemistry, 2012
The posttranslational modification with ubiquitin, a process referred to as ubiquitylation, controls almost every process in cells. Ubiquitin can be attached to substrate proteins as a single moiety or in the form of polymeric chains in which successive ubiquitin molecules are connected through specific isopeptide bonds.
David Komander, Michael Rape
openaire +3 more sources
The posttranslational modification with ubiquitin, a process referred to as ubiquitylation, controls almost every process in cells. Ubiquitin can be attached to substrate proteins as a single moiety or in the form of polymeric chains in which successive ubiquitin molecules are connected through specific isopeptide bonds.
David Komander, Michael Rape
openaire +3 more sources
Trends in Biochemical Sciences, 1997
Eukaryotes contain a highly conserved multi-enzyme system that covalently links ubiquitin to a variety of intracellular proteins that bear degradation signals recognized by this system. The resulting ubiquitin-protein conjugates are degraded by the 26S proteasome, a large ATP-dependent protease.
openaire +4 more sources
Eukaryotes contain a highly conserved multi-enzyme system that covalently links ubiquitin to a variety of intracellular proteins that bear degradation signals recognized by this system. The resulting ubiquitin-protein conjugates are degraded by the 26S proteasome, a large ATP-dependent protease.
openaire +4 more sources