vanadium-iron nitrogenase complex
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Nitrogenase is the only known biological system capable of reducing N2 to NH3 , which is a critical component of bioavailable… Expand Nitrogenase is the only enzyme known to catalyze the reduction of N2 to 2NH3. In vivo, the MoFe protein component of nitrogenase… Expand Phosphorus (P) is the proximate (immediate) limiting element for primary productivity in some habitats, and is generally the… Expand Iron is widely thought to limit nitrogen fixation in the open, oligotrophic ocean due to the low solubility of Fe in oxic… Expand The heterocyst is a specialized cell for nitrogen fixation in some filamentous cyanobacteria. Here we report that a rubrerythrin… Expand Nitrogenase catalyzes a reaction critical for life, the reduction of N(2) to 2NH(3), yet we still know relatively little about… Expand Ammonium salts, glutamine, asparagine, and urea cause an immediate inactivation (switch-off) of light-dependent acetylene… Expand Azotobacter vinelandii DJ71, which contains a mutation in the nifV gene, was derepressed for nitrogenase in the presence of… Expand A first approximation to the tertiary structure of the nitrogenase flavodoxins of Klebsiella pneumoniae and Azotobacter… Expand Development of nitrogenase (40 -140 nmol C2 H4 · mg protein-1· h-1) in Rhizobium japonicum 61-A-101 after transfer to special… Expand