Results 21 to 30 of about 54,630 (258)

Comprehensive analysis of the expression and prognosis for RBR E3 ubiquitin ligases in lung adenocarcinoma

open access: yesThoracic Cancer, 2022
Background Lung adenocarcinoma (LUAD) is the most common subtype of non‐small cell lung cancer and has a poor prognosis. RBR E3 ubiquitin ligases are a special class of E3 ubiquitin ligases which contain three zinc‐bing domains that catalyze ubiquitin to
Hao Ding   +12 more
doaj   +1 more source

The regulatory roles of the E3 ubiquitin ligase NEDD4 family in DNA damage response

open access: yesFrontiers in Physiology, 2022
E3 ubiquitin ligases, an important part of ubiquitin proteasome system, catalyze the covalent binding of ubiquitin to target substrates, which plays a role in protein ubiquitination and regulates different biological process. DNA damage response (DDR) is
Xinxin Lu   +7 more
doaj   +1 more source

Evolution of DNA ligases of Nucleo-Cytoplasmic Large DNA viruses of eukaryotes: a case of hidden complexity

open access: yesBiology Direct, 2009
Background Eukaryotic Nucleo-Cytoplasmic Large DNA Viruses (NCLDV) encode most if not all of the enzymes involved in their DNA replication. It has been inferred that genes for these enzymes were already present in the last common ancestor of the NCLDV ...
Koonin Eugene V, Yutin Natalya
doaj   +1 more source

DNA Ligase I Is Not Essential for Mammalian Cell Viability

open access: yesCell Reports, 2014
Summary: Of the three DNA ligases present in all vertebrates, DNA ligase I (Lig1) has been considered essential for ligating Okazaki fragments during DNA replication and thereby essential for cell viability.
Li Han   +3 more
doaj   +1 more source

Identification of a novel motif in DNA ligases exemplified by DNA ligase IV [PDF]

open access: yesDNA Repair, 2006
DNA ligase IV is an essential protein that functions in DNA non-homologous end-joining, the major mechanism that rejoins DNA double-strand breaks in mammalian cells. LIG4 syndrome represents a human disorder caused by mutations in DNA ligase IV that lead to impaired but not ablated activity.
Marchetti, Caterina   +5 more
openaire   +2 more sources

Plant E3 Ligases and Their Role in Abiotic Stress Response

open access: yesCells, 2022
Plants, as sessile organisms, have limited means to cope with environmental changes. Consequently, they have developed complex regulatory systems to ameliorate abiotic stresses im-posed by environmental changes.
Raed Al-Saharin   +2 more
doaj   +1 more source

SCF Ligases and Their Functions in Oogenesis and Embryogenesis—Summary of the Most Important Findings throughout the Animal Kingdom

open access: yesCells, 2022
SCF-dependent proteolysis was first discovered via genetic screening of budding yeast almost 25 years ago. In recent years, more and more functions of SCF (Skp1-Cullin 1-F-box) ligases have been described, and we can expect the number of studies on this ...
Veronika Kinterová   +3 more
doaj   +1 more source

Rat liver DNA ligases [PDF]

open access: yesEuropean Journal of Biochemistry, 1992
A novel form of rat liver DNA ligase (molecular mass 100 kDa) can be differentiated from DNA ligase I by several biochemical parameters. It is a more heat‐labile enzyme and unable to join bluntended DNA, even in the presence of poly(ethylene glycol) concentrations which stimulate such joining by DNA ligase I and T4 DNA ligase.
R H Elder   +3 more
openaire   +3 more sources

The Inhibitory Effect of Non-Substrate and Substrate DNA on the Ligation and Self-Adenylylation Reactions Catalyzed by T4 DNA Ligase. [PDF]

open access: yesPLoS ONE, 2016
DNA ligases are essential both to in vivo replication, repair and recombination processes, and in vitro molecular biology protocols. Prior characterization of DNA ligases through gel shift assays has shown the presence of a nick site to be essential for ...
Robert J Bauer   +2 more
doaj   +1 more source

Two-tiered enforcement of high-fidelity DNA ligation

open access: yesNature Communications, 2019
DNA ligases catalyze the joining of DNA strands to complete DNA replication, recombination and repair transactions. Here the authors present X-ray structures and kinetic analyses of LIG1 complexes with undamaged and oxidatively damaged DNA that unveil ...
Percy P. Tumbale   +5 more
doaj   +1 more source

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