نتایج جستجو برای: glycosidases
تعداد نتایج: 837 فیلتر نتایج به سال:
Cyclic N-substituted glycines oligomers, also known as cyclic peptoids, constitute a promising class of novel peptidomimetics, capable simulating bioactive effectors with enhanced proteolytical stability and cell permeability crucial bonuses. The macrocyclic constraint, essential for the induction stable secondary structures, determines biomimetic potential such molecules, which act antimicrobi...
Several novel nucleoside analogues as potential inhibitors of glycosidases and purine nucleoside phosphorylase (PNP) have been synthesized via selective coupling of an appropriate nucleobase at different positions of an orthogonally protected imino sugar as a common precursor. This synthetic strategy offers a straightforward protocol for the assembly of imino sugar containing nucleosides, estab...
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Each of the constituent enzymes of the pathway was present with sufficient activity to account for the observed rate of alginate biosynthesis. The information obtained from this work, together with other biochemical information, e.g. knowledge of the mechanisms of nitrogen fixation and respiration (Yates & Jones, 1974) and of the deposition of poly-8-hydroxybutyrate in A . vinelundii (Dawes & S...
INTRODUCTION Similar to matrix metalloproteinases, glycosidases also play a major role in cartilage degradation. Carbohydrate cleavage products, generated by these latter enzymes, are released from degrading cartilage during arthritis. Some of the cleavage products (such as hyaluronate oligosaccharides) have been shown to bind to Toll-like receptors and provide endogenous danger signals, while ...
Certain normal strains of human fecal bacteria are unique in producing extracellular glycosidases that degrade the oligosaccharide chains of gut mucin glycoproteins. We have studied the action of such glycosidases partially purified from the cell-free supernates of five of these strains on intestinal glycosphingolipids isolated from human meconium. The glycolipids were sialosyl-lactosylceramide...
An easy route to synthetic analogues of radicamine B, codonopsine and codonopsinine from D-mannitol.
A general strategy for the synthesis of analogues of radicamine B has been carried out from D-mannitol. This method has been further extended to the synthesis of analogues of codonopsine and codonopsinine using appropriate Grignard reagents. The hence obtained molecules have been tested against various commercially available glycosidases and found to act as moderate to good inhibitors.
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