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Literature summary extracted from

  • Thorneley, R.; Bergström, N.; Eady, R.; Lowe, D.
    Vanadium nitrogenase of Azotobacter chroococcum. MgATP-dependent electron transfer within the protein complex (1989), Biochem. J., 257, 789-794 .
    View publication on PubMedView publication on EuropePMC

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.18.6.2 MgADP competitive Azotobacter chroococcum

Organism

EC Number Organism UniProt Comment Textmining
1.18.6.2 Azotobacter chroococcum P15332 and P15334 and P15333 P15332 i.e. subunit VnfD, P15334 i.e. subunit VnfK, P15333 i.e. subunit VnfG
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1.18.6.2 Azotobacter chroococcum MCD1 P15332 and P15334 and P15333 P15332 i.e. subunit VnfD, P15334 i.e. subunit VnfK, P15333 i.e. subunit VnfG
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.18.6.2 12 reduced ferredoxin + 12 H+ + N2 + 40 ATP + 40 H2O
-
 Azotobacter chroococcum 12 oxidized ferredoxin + 3 H2 + 2 NH3 + 40 ADP + 40 phosphate
-
 ?
1.18.6.2 12 reduced ferredoxin + 12 H+ + N2 + 40 ATP + 40 H2O
-
 Azotobacter chroococcum MCD1 12 oxidized ferredoxin + 3 H2 + 2 NH3 + 40 ADP + 40 phosphate
-
 ?

Synonyms

EC Number Synonyms Comment Organism
1.18.6.2 vnfD alpha-chain Azotobacter chroococcum
1.18.6.2 vnfG delta-chain Azotobacter chroococcum
1.18.6.2 vnfK beta-chain Azotobacter chroococcum

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
1.18.6.2 23
-
 assay at Azotobacter chroococcum

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.18.6.2 7.2
-
 assay at Azotobacter chroococcum

Ki Value [mM]

EC Number Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
1.18.6.2 0.03
-
 MgADP pH 7.2, 23°C Azotobacter chroococcum