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Literature summary for 1.18.6.1 extracted from

  • Zumft, W.G.; Mortenson, L.E.
    The nitrogen-fixing complex of bacteria (1975), Biochim. Biophys. Acta, 416, 1-52.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
additional information overview Azotobacter vinelandii
additional information overview Clostridium pasteurianum
additional information overview Klebsiella pneumoniae

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information overview, different substrates Klebsiella pneumoniae
additional information
-
additional information overview, different substrates Clostridium pasteurianum
additional information
-
additional information overview, different substrates Azotobacter vinelandii

Metals/Ions

Metals/Ions Comment Organism Structure
Iron
-
Klebsiella pneumoniae
Iron
-
Clostridium pasteurianum
Iron
-
Azotobacter vinelandii
Iron
-
Chromatium sp.
Iron
-
Rhizobium sp.
Mg2+ Mg2+ required for MgATP complex Klebsiella pneumoniae
Mg2+ Mg2+ required for MgATP complex Clostridium pasteurianum
Mg2+ Mg2+ required for MgATP complex Azotobacter vinelandii
Mg2+ Mg2+ required for MgATP complex Chromatium sp.
Mg2+ Mg2+ required for MgATP complex Rhizobium sp.
Molybdenum molybdenum metabolism, cofactor synthesis from nif genes , regulation and structure, overview Klebsiella pneumoniae
Molybdenum molybdenum metabolism, cofactor synthesis from nif genes , regulation and structure, overview Clostridium pasteurianum
Molybdenum molybdenum metabolism, cofactor synthesis from nif genes , regulation and structure, overview Azotobacter vinelandii
Molybdenum molybdenum metabolism, cofactor synthesis from nif genes , regulation and structure, overview Chromatium sp.
Molybdenum molybdenum metabolism, cofactor synthesis from nif genes , regulation and structure, overview Rhizobium sp.
additional information
-
Klebsiella pneumoniae
additional information
-
Azotobacter vinelandii
additional information
-
Chromatium sp.
additional information
-
Rhizobium sp.
additional information contains also an inactive MoFe protein species Clostridium pasteurianum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
additional information
-
comparison of amino acid composition Klebsiella pneumoniae
additional information
-
comparison of amino acid composition Clostridium pasteurianum
additional information
-
comparison of amino acid composition Azotobacter vinelandii
35000 40000 Fe protein Azotobacter vinelandii
55000 60000 component II Fe protein Klebsiella pneumoniae
55000 60000 component II Fe protein Clostridium pasteurianum
55000 60000 component II Fe protein Azotobacter vinelandii
66800
-
Fe protein Klebsiella pneumoniae

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
8 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O Klebsiella pneumoniae
-
8 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate
-
?
8 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O Clostridium pasteurianum
-
8 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate
-
?
8 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O Azotobacter vinelandii
-
8 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate
-
?
8 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O Chromatium sp.
-
8 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate
-
?
8 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O Rhizobium sp.
-
8 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate
-
?

Organism

Organism UniProt Comment Textmining
Azotobacter vinelandii
-
-
-
Chromatium sp.
-
-
-
Clostridium pasteurianum
-
-
-
Klebsiella pneumoniae
-
-
-
Rhizobium sp.
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Azotobacter vinelandii

Reaction

Reaction Comment Organism Reaction ID
4 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O = 4 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate catalytic mechanism Klebsiella pneumoniae
4 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O = 4 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate catalytic mechanism Clostridium pasteurianum
4 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O = 4 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate catalytic mechanism Azotobacter vinelandii
4 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O = 4 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate catalytic mechanism Chromatium sp.
4 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O = 4 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate catalytic mechanism Rhizobium sp.
4 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O = 4 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate enzyme is composed of 2 metalloproteins: component I MoFe protein and component II Fe protein Klebsiella pneumoniae
4 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O = 4 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate enzyme is composed of 2 metalloproteins: component I MoFe protein and component II Fe protein Clostridium pasteurianum
4 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O = 4 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate enzyme is composed of 2 metalloproteins: component I MoFe protein and component II Fe protein Azotobacter vinelandii
4 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O = 4 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate enzyme is composed of 2 metalloproteins: component I MoFe protein and component II Fe protein Chromatium sp.
4 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O = 4 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate enzyme is composed of 2 metalloproteins: component I MoFe protein and component II Fe protein Rhizobium sp.
4 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O = 4 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate schematic mechanism Klebsiella pneumoniae
4 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O = 4 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate schematic mechanism Clostridium pasteurianum
4 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O = 4 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate schematic mechanism Azotobacter vinelandii
4 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O = 4 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate schematic mechanism Chromatium sp.
4 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O = 4 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate schematic mechanism Rhizobium sp.

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
overview Klebsiella pneumoniae
additional information
-
overview Clostridium pasteurianum
additional information
-
overview Azotobacter vinelandii
additional information
-
overview Chromatium sp.
additional information
-
overview Rhizobium sp.
additional information
-
activity of Fe proteins and MoFe proteins Klebsiella pneumoniae
additional information
-
activity of Fe proteins and MoFe proteins Clostridium pasteurianum
additional information
-
activity of Fe proteins and MoFe proteins Azotobacter vinelandii
additional information
-
activity of Fe proteins and MoFe proteins Chromatium sp.
additional information
-
activity of Fe proteins and MoFe proteins Rhizobium sp.

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2 reduced ferredoxin + 2 H+ + acetylene + 2 ATP + 2 H2O
-
Klebsiella pneumoniae 2 oxidized ferredoxin + ethylene + 2 ADP + 2 phosphate
-
?
2 reduced ferredoxin + 2 H+ + acetylene + 2 ATP + 2 H2O
-
Clostridium pasteurianum 2 oxidized ferredoxin + ethylene + 2 ADP + 2 phosphate
-
?
2 reduced ferredoxin + 2 H+ + acetylene + 2 ATP + 2 H2O
-
Azotobacter vinelandii 2 oxidized ferredoxin + ethylene + 2 ADP + 2 phosphate
-
?
2 reduced ferredoxin + 2 H+ + acetylene + 2 ATP + 2 H2O
-
Chromatium sp. 2 oxidized ferredoxin + ethylene + 2 ADP + 2 phosphate
-
?
2 reduced ferredoxin + 2 H+ + acetylene + 2 ATP + 2 H2O
-
Rhizobium sp. 2 oxidized ferredoxin + ethylene + 2 ADP + 2 phosphate
-
?
8 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O
-
Klebsiella pneumoniae 8 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate
-
?
8 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O
-
Clostridium pasteurianum 8 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate
-
?
8 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O
-
Azotobacter vinelandii 8 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate
-
?
8 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O
-
Chromatium sp. 8 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate
-
?
8 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O
-
Rhizobium sp. 8 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate
-
?
dithionite + H+ + N2 + ATP in vitro substrate Klebsiella pneumoniae ?
-
?
dithionite + H+ + N2 + ATP in vitro substrate Clostridium pasteurianum ?
-
?
dithionite + H+ + N2 + ATP in vitro substrate Azotobacter vinelandii ?
-
?
reduced ferredoxin + H+ + CH3NC + ATP
-
Klebsiella pneumoniae oxidized ferredoxin + CH4 + C2H4 + C3H6 + C3H8 + CH3NH2 + ADP + phosphate
-
?
reduced ferredoxin + H+ + CH3NC + ATP
-
Clostridium pasteurianum oxidized ferredoxin + CH4 + C2H4 + C3H6 + C3H8 + CH3NH2 + ADP + phosphate
-
?
reduced ferredoxin + H+ + CH3NC + ATP
-
Azotobacter vinelandii oxidized ferredoxin + CH4 + C2H4 + C3H6 + C3H8 + CH3NH2 + ADP + phosphate
-
?
reduced ferredoxin + H+ + CH3NC + ATP
-
Chromatium sp. oxidized ferredoxin + CH4 + C2H4 + C3H6 + C3H8 + CH3NH2 + ADP + phosphate
-
?
reduced ferredoxin + H+ + CH3NC + ATP
-
Rhizobium sp. oxidized ferredoxin + CH4 + C2H4 + C3H6 + C3H8 + CH3NH2 + ADP + phosphate
-
?
reduced ferredoxin + H+ + CN- + ATP
-
Klebsiella pneumoniae oxidized ferredoxin + CH4 + NH3 + ADP + phosphate
-
?
reduced ferredoxin + H+ + CN- + ATP
-
Clostridium pasteurianum oxidized ferredoxin + CH4 + NH3 + ADP + phosphate
-
?
reduced ferredoxin + H+ + CN- + ATP
-
Azotobacter vinelandii oxidized ferredoxin + CH4 + NH3 + ADP + phosphate
-
?
reduced ferredoxin + H+ + CN- + ATP
-
Chromatium sp. oxidized ferredoxin + CH4 + NH3 + ADP + phosphate
-
?
reduced ferredoxin + H+ + CN- + ATP
-
Rhizobium sp. oxidized ferredoxin + CH4 + NH3 + ADP + phosphate
-
?
reduced ferredoxin + H+ + N3- + ATP
-
Klebsiella pneumoniae oxidized ferredoxin + NH3 + N2 + ADP + phosphate
-
?
reduced ferredoxin + H+ + N3- + ATP
-
Clostridium pasteurianum oxidized ferredoxin + NH3 + N2 + ADP + phosphate
-
?
reduced ferredoxin + H+ + N3- + ATP
-
Azotobacter vinelandii oxidized ferredoxin + NH3 + N2 + ADP + phosphate
-
?
reduced ferredoxin + H+ + N3- + ATP
-
Chromatium sp. oxidized ferredoxin + NH3 + N2 + ADP + phosphate
-
?
reduced ferredoxin + H+ + N3- + ATP
-
Rhizobium sp. oxidized ferredoxin + NH3 + N2 + ADP + phosphate
-
?