Results 341 to 350 of about 413,042 (378)
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Cofactor of the “Lupus Anticoagulant”
Thrombosis and Haemostasis, 1974SummaryNormal plasma contains an activity known as cofactor which further lengthens the clotting time of the plasma of some patients with the “lupus anticoagulant.55 Cofactor has been characterized as either prothrombin or a gamma globulin. Our findings indicate that cofactor has the following properties: stable at room temperature but largely ...
Sandra Schiffman +2 more
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AIDS: A Noncommunicable Cofactor
JAMA: The Journal of the American Medical Association, 1985To the Editor.— There have been several reports inThe Journalin the past year on the acquired immunodeficiency syndrome (AIDS), including a COUNCIL REPORT. 1 None of them have, however, given consideration to the hypothesis 2 that the access of immunocompetent cells to the allogeneic enzyme transglutaminase (TGase), which is abundant in seminal plasma
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1997
Heparin cofactor II (HCII) is a serpin that inhibits thrombin rapidly in the presence of dermatan sulfate or heparin. Both of these glycosaminoglycans bind to HCII and increase the rate of inhibition of thrombin >1000-fold. This review will focus on the biochemistry of HCII and the mechanism by which glycosaminoglycans stimulate its activity.
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Heparin cofactor II (HCII) is a serpin that inhibits thrombin rapidly in the presence of dermatan sulfate or heparin. Both of these glycosaminoglycans bind to HCII and increase the rate of inhibition of thrombin >1000-fold. This review will focus on the biochemistry of HCII and the mechanism by which glycosaminoglycans stimulate its activity.
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2012
The exosome is a large protein complex mediating 3'-5' RNA degradation in both nucleus and cytosol of all eukaryotic cells. It consists of nine conserved subunits forming the core complex, which associates with ribonucleolytic enzymes and other cofactors such as RNA-binding proteins or RNA helicases.
Heike Lange, Dominique Gagliardi
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The exosome is a large protein complex mediating 3'-5' RNA degradation in both nucleus and cytosol of all eukaryotic cells. It consists of nine conserved subunits forming the core complex, which associates with ribonucleolytic enzymes and other cofactors such as RNA-binding proteins or RNA helicases.
Heike Lange, Dominique Gagliardi
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Biosynthesis of the methanogenic cofactors
2001Our current knowledge of the pathways and genes involved in the biosynthesis of the methanogenic coenzymes methanopterin, coenzyme B, methanofuran, coenzyme F420, and coenzyme M is presented. Proposed reaction mechanisms for several of the novel reactions involved in the pathways are presented.
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Is Simpler Better? Synthetic Nicotinamide Cofactor Analogues for Redox Chemistry
, 2014The topic of synthetic nicotinamide cofactor analogues is resurfacing as new approaches are being explored, especially in the areas of organic chemistry and biocatalysis.
Caroline E. Paul, I. Arends, F. Hollmann
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Cofactor-free oxidase-mimetic nanomaterials from self-assembled histidine-rich peptides
Nature Materials, 2020Q. Liu +10 more
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HIV-1 Entry Cofactor: Functional cDNA Cloning of a Seven-Transmembrane, G Protein-Coupled Receptor
Science, 1996Yu Feng +3 more
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CC CKR5: A RANTES, MIP-1α, MIP-1ॆ Receptor as a Fusion Cofactor for Macrophage-Tropic HIV-1
Science, 1996G. Alkhatib +6 more
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RNA Exosomes and Their Cofactors
2019The RNA exosome is a ribonucleolytic multiprotein complex that is conserved and essential in all eukaryotes. Although we tend to speak of "the" exosome complex, it should be more correctly viewed as several different subtypes that share a common core.
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