- Molybdenum and tungsten enzymes: the xanthine oxidase family.
Molybdenum and tungsten enzymes: the xanthine oxidase family.
Current opinion in chemical biology (2006-02-17)
Carlos D Brondino, Maria João Romão, Isabel Moura, José J G Moura
PMID16480912
ABSTRACT
Mononuclear molybdenum and tungsten are found in the active site of a diverse group of enzymes that, in general, catalyze oxygen atom transfer reactions. Enzymes of the xanthine oxidase family are the best-characterized mononuclear Mo-containing enzymes. Several 3D structures of diverse members of this family are known. Recently, the structures of substrate-bound and arsenite-inhibited forms of two members of this family have also been reported. In addition, spectroscopic studies have been utilized to elucidate fine details that complement the structural information. Altogether, these studies have provided an important amount of information on the characteristics of the active site and the electron transfer pathways.
MATERIALS
Product Number
Brand
Product Description
Tungsten, foil, 0.2m coil, thickness 0.10mm, coil width .9mm, as rolled, 99.95%
Tungsten, foil, 5m coil, thickness 0.1mm, coil width 1.5mm, as rolled, 99.95%
Tungsten, foil, 5m coil, thickness 0.02mm, coil width .5mm, as rolled, 99.95%
Tungsten, mesh, 50x50mm, nominal aperture 0.2mm, wire diameter 0.05mm, 100 wires/inch, open area 64%, plain weave mesh, 99.95%
Tungsten, foil, 5m coil, thickness 0.035mm, coil width .5mm, as rolled, 99.95%
Tungsten, foil, light tested, 150x150mm, thickness 0.025mm, as rolled, 99.95%
Tungsten, insulated wire, 5m, conductor diameter 0.05mm, insulation thickness 0.008mm, polyimide insulation, 99.9%
Tungsten, microfoil, disks, 10mm, thinness 0.1μm, specific density 182μg/cm2, permanent mylar 3.5μm support, 99.95%
Tungsten, foil, light tested, 150x150mm, thickness 0.05mm, as rolled, 99.95%
Tungsten, insulated wire, 5m, conductor diameter 0.075mm, insulation thickness 0.02mm, PTFE (polytetrafluoroethylene) insulation, 99.9%
Tungsten, insulated wire, 10m, conductor diameter 0.05mm, insulation thickness 0.008mm, polyimide insulation, 99.9%
Tungsten, microfoil, disks, 10mm, thinness 0.25μm, specific density 474μg/cm2, permanent mylar 3.5μm support, 99.95%
Tungsten, insulated wire, 2m, conductor diameter 0.025mm, insulation thickness 0.005mm, polyimide insulation, 99.9%
Tungsten, insulated wire, 10m, conductor diameter 0.075mm, insulation thickness 0.02mm, PTFE (polytetrafluoroethylene) insulation, 99.9%
Tungsten, insulated wire, 0.2m, conductor diameter 0.015mm, insulation thickness 0.002mm, polyimide insulation, 99.9%
Tungsten, foil, light tested, 150x150mm, thickness 0.075mm, as rolled, 99.95%
Tungsten, lump, 100g, max. size 5mm
Tungsten, insulated wire, 2m, conductor diameter 0.05mm, insulation thickness 0.008mm, polyimide insulation, 99.9%
Tungsten, foil, 5m coil, thickness 0.025mm, coil width 1mm, as rolled, 99.95%
Tungsten, insulated wire, 20m, conductor diameter 0.05mm, insulation thickness 0.008mm, polyimide insulation, 99.9%
Tungsten, foil, not light tested, 50x50mm, thickness 0.004mm, 99.95%
Tungsten, foil, 5m coil, thickness 0.05mm, coil width .51mm, as rolled, 99.95%
Tungsten, microfoil, disks, 25mm, thinness 0.05μm, specific density 96μg/cm2, permanent mylar 3.5μm support, 99.95%
Tungsten, insulated wire, 2m, conductor diameter 0.075mm, insulation thickness 0.02mm, PTFE (polytetrafluoroethylene) insulation, 99.9%
Tungsten, insulated wire, 20m, conductor diameter 0.075mm, insulation thickness 0.02mm, PTFE (polytetrafluoroethylene) insulation, 99.9%
Tungsten, foil, not light tested, 50x50mm, thickness 0.005mm, 99.95%
Tungsten, foil, 30mm disks, thickness 1.0mm, as rolled, 99.95%
Tungsten, lump, 50g, max. size 5mm