Synthesis of Substituted 1,2,4-Triazole-3-Thione Nucleosides Using E. coli Purine Nucleoside Phosphorylase [PDF]
1,2,4-Triazole derivatives have a wide range of biological activities. The most well-known drug that contains 1,2,4-triazole as part of its structure is the nucleoside analogue ribavirin, an antiviral drug. Finding new nucleosides based on 1,2,4-triazole
Ilya V. Fateev +22 more
doaj +2 more sources
The Characterization of the Purine Nucleoside Phosphorylase from Agaricus bisporus and Its Potential Application in Reducing Purine Content in Beer [PDF]
Beer, the most popular alcoholic beverage, poses health risks for individuals with gout and hyperuricemia due to its high purine content. Herein, we identified a novel purine nucleoside phosphorylase (AbPNP) from the edible mushroom Agaricus bisporus and
Jun Liu, Jian Lu
doaj +2 more sources
Inverse enzyme isotope effects in human purine nucleoside phosphorylase with heavy asparagine labels. [PDF]
Significance Enzymes achieve catalytic efficiency by optimizing contacts between reactants and catalytic site amino acids. The transition state forms rarely, with a lifetime of a few femtoseconds.
Harijan RK +4 more
europepmc +2 more sources
Purine nucleoside phosphorylase as a target for the treatment of interstitial cystitis/bladder pain syndrome with and without Hunner lesions [PDF]
Chronic visceral pain disorders, such as interstitial cystitis/bladder pain syndrome (IC/BPS), are difficult to treat, and therapies are limited in number and efficacy.
Lori A. Birder +6 more
doaj +2 more sources
The study of biomolecular interactions between a drug and its biological target is of paramount importance for the design of novel bioactive compounds.
Sergio Decherchi +2 more
exaly +2 more sources
Radical Dehalogenation and Purine Nucleoside Phosphorylase E. coli: How Does an Admixture of 2′,3′-Anhydroinosine Hinder 2-fluoro-cordycepin Synthesis [PDF]
During the preparative synthesis of 2-fluorocordycepin from 2-fluoroadenosine and 3′-deoxyinosine catalyzed by E. coli purine nucleoside phosphorylase, a slowdown of the reaction and decrease of yield down to 5% were encountered.
Alexey L. Kayushin +12 more
doaj +2 more sources
Propolis Exerts an Anti-Inflammatory Effect on PMA-Differentiated THP-1 Cells via Inhibition of Purine Nucleoside Phosphorylase. [PDF]
Previous research has shown that propolis has immunomodulatory activity. Propolis extracts from different geographic origins were assessed for their anti-inflammatory activities by investigating their ability to alter the production of tumour necrosis ...
Alqarni AM +6 more
europepmc +2 more sources
Structure of purine nucleoside phosphorylase (DeoD) from Bacillus anthracis [PDF]
Protein structures from the causative agent of anthrax (Bacillus anthracis) are being determined as part of a structural genomics programme. Amongst initial candidates for crystallographic analysis are enzymes involved in nucleotide biosynthesis, since ...
Blagova, E V +6 more
core +4 more sources
Crystallographic snapshots of ligand binding to hexameric purine nucleoside phosphorylase and kinetic studies give insight into the mechanism of catalysis. [PDF]
Purine nucleoside phosphorylase (PNP) catalyses the cleavage of the glycosidic bond of purine nucleosides using phosphate instead of water as a second substrate.
Štefanić Z +5 more
europepmc +2 more sources
Immunodeficiency, motor delay, and hypouricemia caused by a novel mutation of purine nucleoside phosphorylase gene in an Indian infant [PDF]
We describe an 11-month-old boy who presented with recurrent respiratory infections from 6 months of age. His elder sister died at 10 months with severe septicemia and meningitis. The boy had a mild motor delay.
Nikit Shah +5 more
doaj +2 more sources

