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Literature summary for 1.19.6.1 extracted from

  • Haaker, H.; Klugkist, J.
    The bioenergetics of electron transport to nitrogenase (1987), FEMS Microbiol. Rev., 46, 57-71.
No PubMed abstract available

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ required for ATP hydrolysis Klebsiella pneumoniae

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
6 reduced flavodoxin + N2 + 6 H2O + 6 ATP Klebsiella pneumoniae ferredoxin is the immediate electron carrier to nitrogenase in all nitrogen-fixing organisms with the exception of Klebsiella pneumoniae, and possibly Azotobacter species, where only flavodoxin, not ferredoxin is effective in coupling electron flow to nitrogenase 6 oxidized flavodoxin + 2 NH3 + 6 H+ + 6 ADP + 6 phosphate
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6 reduced flavodoxin + N2 + 6 H2O + 6 ATP Klebsiella pneumoniae anaerobic conditions are required by the enzyme 6 oxidized flavodoxin + 2 NH3 + 6 H+ + 6 ADP + 6 phosphate
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Organism

Organism UniProt Comment Textmining
Klebsiella pneumoniae
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nif gene-specific flavodoxin
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Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
6 reduced flavodoxin + N2 + 6 H2O + 6 ATP flavodoxin reduces the Fe protein of the enzyme Klebsiella pneumoniae 6 oxidized flavodoxin + 2 NH3 + 6 H+ + 6 ADP + 6 phosphate
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6 reduced flavodoxin + N2 + 6 H2O + 6 ATP slow enzyme Klebsiella pneumoniae 6 oxidized flavodoxin + 2 NH3 + 6 H+ + 6 ADP + 6 phosphate
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6 reduced flavodoxin + N2 + 6 H2O + 6 ATP flavodoxin is encoded by nifF gene, pyruvate:flavodoxin oxidoreductase by nifJ gene Klebsiella pneumoniae 6 oxidized flavodoxin + 2 NH3 + 6 H+ + 6 ADP + 6 phosphate
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6 reduced flavodoxin + N2 + 6 H2O + 6 ATP ferredoxin is the immediate electron carrier to nitrogenase in all nitrogen-fixing organisms with the exception of Klebsiella pneumoniae, and possibly Azotobacter species, where only flavodoxin, not ferredoxin is effective in coupling electron flow to nitrogenase Klebsiella pneumoniae 6 oxidized flavodoxin + 2 NH3 + 6 H+ + 6 ADP + 6 phosphate
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?
6 reduced flavodoxin + N2 + 6 H2O + 6 ATP anaerobic conditions are required by the enzyme Klebsiella pneumoniae 6 oxidized flavodoxin + 2 NH3 + 6 H+ + 6 ADP + 6 phosphate
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?
additional information see EC 1.18.6.1, from the literature for the enzymes EC 1.19.6.1 and EC 1.18.6.1 it is not obvious whether they are in fact to different enzymes Klebsiella pneumoniae ?
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