8-Azaxanthine monohydrate has been used to determine the crystal and molecular structure of 1,3-dimethyl-8-azaxanthine (HDAX) monohydrate by X-ray diffraction.
Journal of proteome research, 5(8), 1916-1923 (2006-08-08)
We describe a general protocol for using comparative NMR metabolomics data to infer in vivo efficacy, specificity and toxicity of chemical leads within a drug discovery program. The methodology is demonstrated using Aspergillus nidulans to monitor the activity of urate
High-resolution X-ray structures of the complexes of Aspergillus flavus urate oxidase (Uox) with three inhibitors, 8-azaxanthin (AZA), 9-methyl uric acid (MUA) and oxonic acid (OXC), were determined in an orthorhombic space group (I222). In addition, the ligand-free enzyme was also
Biochimica et biophysica acta, 1764(3), 391-397 (2006-02-16)
We report the three-dimensional structure determined by high-pressure macromolecular crystallography (HPMX) of a 135-kDa homo-tetrameric enzyme, urate oxidase from Aspergillus flavus complexed with its potent inhibitor 8-azaxanthin. Urate oxidase crystals are quite sensitive to pressure, as three-dimensional order is lost
Crystallization and preliminary neutron diffraction measurements of rasburicase, a recombinant urate oxidase enzyme expressed by a genetically modified Saccharomyces cerevisiae strain, complexed with a purine-type inhibitor (8-azaxanthin) are reported. Neutron Laue diffraction data were collected to 2.1 A resolution using
Xanthine dehydrogenase (EC 1.2.1.37) activity was determined in the fat body of the Chagas' disease vector Triatoma infestans using a system in which phenazine methosulphate was associated with p-iodonitrotetrazolium violet as electron acceptors for the oxidation of the substrate xanthine.
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