Biology of the molybdenum cofactor.

Biology of the molybdenum cofactor.

Journal of experimental botany (2007-03-14)

Ralf R Mendel

ZUSAMMENFASSUNG

The transition element molybdenum (Mo) is an essential micronutrient for plants where it is needed as a catalytically active metal during enzyme catalysis. Four plant enzymes depend on molybdenum: nitrate reductase, sulphite oxidase, xanthine dehydrogenase, and aldehyde oxidase. However, in order to gain biological activity and fulfil its function in enzymes, molybdenum has to be complexed by a pterin compound thus forming the molybdenum cofactor. In this article, the path of molybdenum from its uptake into the cell, via formation of the molybdenum cofactor and its storage, to the final modification of the molybdenum cofactor and its insertion into apo-metalloenzymes will be reviewed.

MATERIALIEN

Produktnummer

Marke

Produktbeschreibung

266892

Sigma-Aldrich

Molybdän, powder, <150 μm, 99.9% trace metals basis

357227

Sigma-Aldrich

Molybdän, foil, thickness 0.025 mm, ≥99.9% trace metals basis

266922

Sigma-Aldrich

Molybdän, foil, thickness 0.1 mm, ≥99.9% trace metals basis

366986

Sigma-Aldrich

Molybdän, powder, 10 μm, ≥99.95% trace metals basis

577987

Sigma-Aldrich

Molybdän, nanopowder, <100 nm particle size (TEM), 99.8% trace metals basis

266914

Sigma-Aldrich

Molybdän, wire, diam. 1.0 mm, 99.95% trace metals basis

357200

Sigma-Aldrich

Molybdän, foil, thickness 1.0 mm, ≥99.9% trace metals basis

GF12078457

Molybdän, foil, 15mm disks, thickness 0.005mm, 99.9%

GF33272333

Molybdän, mesh, 100x100mm, nominal aperture 0.44mm, wire diameter 0.07mm, 50 wires/inch, open area 67%, plain weave mesh

GF44891006

Molybdän, wire, straight, 1000mm, diameter 0.5mm, 99.95%

GF04272049

Molybdän, pellets, 200g, max. size 10mm, 99.9%

GF70791712

Molybdän, wire reel, 1000m, diameter 0.125mm, annealed, 99.95%

GF12034178

Molybdän, pellets, 100g, max. size 10mm, 99.9%

GF68041964

Molybdän, wire reel, 1000m, diameter 0.035mm, as drawn, 99.95%

GF73901392

Molybdän, rod, 50mm, diameter 5.0mm, 99.98%

GF59041740

Molybdän, mesh, 150x150mm, nominal aperture 0.44mm, wire diameter 0.07mm, 50 wires/inch, open area 67%, plain weave mesh

GF44777616

Molybdän, foil, 50x50mm, thickness 0.1mm, annealed, 99.9%

GF38499700

Molybdän, foil, 25mm disks, thickness 0.0125mm, 99.9%

GF01988501

Molybdän, tube, 500mm, outside diameter 2.0mm, inside diameter 1.3mm, wall thickness 0.35mm, 99.9%

GF00096274

Molybdän, pellets, 50g, max. size 10mm, 99.9%

GF01730168

Molybdän, wire, straight, 1000mm, diameter 0.25mm, 99.95%

GF38214187

Molybdän, tube, 100mm, outside diameter 1.0mm, inside diameter 0.7mm, wall thickness 0.15mm, 99.9%

GF01979477

Molybdän, mesh, 100x100mm, nominal aperture 0.8mm, wire diameter 0.18mm, 26 wires/inch, open area 67%, plain weave mesh

GF61564552

Molybdän, foil, 100x100mm, thickness 0.5mm, annealed, 99.9%

GF39871895

Molybdän, foil, 0.5m coil, thickness 0.05mm, annealed, 99.9%

GF97201818

Molybdän, foil, 100x100mm, thickness 0.1mm, annealed, 99.9%

GF09283440

Molybdän, rod, 150mm, diameter 5.0mm, 99.98%

GF51626831

Molybdän, rod, 100mm, diameter 2.0mm, centerless ground, 99.9%

GF09760192

Molybdän, wire reel, 50m, diameter 0.025mm, hard, 99.95%

GF17537812

Molybdän, foil, 8mm disks, thickness 0.007mm, 99.9%