1.19.6.1: nitrogenase (flavodoxin)
This is an abbreviated version!
For detailed information about nitrogenase (flavodoxin), go to the full flat file.
Word Map on EC 1.19.6.1
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1.19.6.1
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azotobacter
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vinelandii
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mgadp
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mofe-protein
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molybdenum-iron
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nifu
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rhodospirillum
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dinitrogenase
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femo-cofactor
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pasteurianum
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mgadp-bound
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bacteriochlorophyll
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nucleotide-bound
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nitrogenases
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dark-operative
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nucleotide-induced
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protochlorophyllide
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agriculture
- 1.19.6.1
- azotobacter
- vinelandii
- mgadp
-
mofe-protein
-
molybdenum-iron
- nifu
-
rhodospirillum
- dinitrogenase
-
femo-cofactor
- pasteurianum
-
mgadp-bound
- bacteriochlorophyll
-
nucleotide-bound
- nitrogenases
-
dark-operative
-
nucleotide-induced
- protochlorophyllide
- agriculture
Reaction
4 reduced flavodoxin + 2 H+ + + 16 ATP + 16 H2O = 4 oxidized flavodoxin + 2 NH4+ + + 16 ADP + 16 phosphate
Synonyms
FeP, FldA, NifF, nitrogenase, nitrogenase Fe protein, nitrogenase Fe-protein
ECTree
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Inhibitors
Inhibitors on EC 1.19.6.1 - nitrogenase (flavodoxin)
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NIFI1,2
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a regulatory protein, inhibits nitrogenase by competing with Fe protein for binding to the MoFe protein, NifI1,2 inhibits ATP- and MoFe protein-dependent oxidation of the Fe protein, and NIFI1,2 binding prevents association of the two nitrogenase components, the inhibition is relieved by 2-oxoglutarate. NIFI1,2 is unable to bind to an AlF4- stabilized Fe protein:MoFe protein complex. Both nifI1 and nifI2 are required for regulation in vivo
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nitrate
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2-(4-carboxyphenyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide suppresses the inhibition by nitrate
O2
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complete reversible inhibition, reversibility decreases by increasing the time of exposure to O2
sodium nitroprusside
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inhibits acetylene-reduction activity of nitrogenase by 1 mM