Biology of the molybdenum cofactor.

Biology of the molybdenum cofactor.

Journal of experimental botany (2007-03-14)

Ralf R Mendel

ABSTRACT

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.

MATERIALS

Product Number

Brand

Product Description

GF34073344

Molybdenum, rod, 200mm, diameter 10.0mm, centerless ground, 99.9%

GF14532308

Molybdenum, rod, 200mm, diameter 25mm, centerless ground, 99.9%

GF15289487

Molybdenum, rod, 100mm, diameter 15.0mm, centerless ground, 99.9%

GF02780951

Molybdenum, tube, 1000mm, outside diameter 1.0mm, inside diameter 0.7mm, wall thickness 0.15mm, 99.9%

GF68662503

Molybdenum, rod, 500mm, diameter 1.5mm, centerless ground, 99.9%

GF25048188

Molybdenum, rod, 100mm, diameter 8.0mm, centerless ground, 99.9%

GF39956822

Molybdenum, wire reel, 1000m, diameter 0.03mm, hard, 99.95%

GF34702411

Molybdenum, tube, 100mm, outside diameter 2.0mm, inside diameter 1.3mm, wall thickness 0.35mm, 99.9%

366986

Sigma-Aldrich

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

510092

Sigma-Aldrich

Molybdenum, powder, 1-5 μm, ≥99.9% trace metals basis

577987

Sigma-Aldrich

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

357200

Sigma-Aldrich

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

266892

Sigma-Aldrich

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

266922

Sigma-Aldrich

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

GF86027957

Molybdenum, foil, 10mm disks, thickness 0.01mm, 99.9%

GF55073549

Molybdenum, foil, 25mm disks, thickness 0.015mm, annealed, 99.9%

GF39871895

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

GF23296620

Molybdenum, foil, 10mm disks, thickness 0.005mm, 99.9%

GF95640587

Molybdenum, foil, 15mm disks, thickness 0.015mm, annealed, 99.9%

GF04227803

Molybdenum, foil, 0.5m coil, thickness 0.015mm, as rolled, 99.9%

GF29955662

Molybdenum, foil, 25mm disks, thickness 0.01mm, 99.9%

GF92327362

Molybdenum, foil, 25mm disks, thickness 0.20mm, annealed, 99.9%

GF42688468

Molybdenum, foil, 10m coil, thickness 0.04mm, coil width 0.7mm, annealed, 99.9%

GF43952889

Molybdenum, foil, 10mm disks, thickness 0.025mm, annealed, 99.9%

GF00768326

Molybdenum, foil, 50mm disks, thickness 0.008mm, 99.9%

GF40223685

Molybdenum, foil, 25mm disks, thickness 0.020mm, annealed, 99.9%

GF83989939

Molybdenum, foil, 1m coil, thickness 0.04mm, coil width 0.7mm, annealed, 99.9%

GF94111129

Molybdenum, foil, 15mm disks, thickness 0.025mm, annealed, 99.9%

GF63890174

Molybdenum, foil, 25mm disks, thickness 0.025mm, annealed, 99.9%

GF54155055

Molybdenum, foil, 1m coil, thickness 0.01mm, 99.9%