Brand  (β version)

PDB ID: 1N2C

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Ligands
Code Name Style Show Link
ADP Adenosine-5'-diphosphate PoSSuM
ALF Tetrafluoroaluminate ion PoSSuM
CA Calcium ion PoSSuM
CFM Fe-mo-S cluster PoSSuM
CLF Fe(8)-S(7) cluster PoSSuM
HCA 3-hydroxy-3-carboxy-adipic acid PoSSuM
MG Magnesium ion PoSSuM
SF4 Iron/sulfur cluster PoSSuM
Non-standard Residues
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Glycosylation
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Structure summary

Code : 1N2C   PDBj   RCSB PDB   PDBe
Header : COMPLEX OF NITROGENASE PROTEINS
Title : NITROGENASE COMPLEX FROM AZOTOBACTER VINELANDII STABILIZED BY ADP-TETRAFLUOROALUMINATE
Release Data : 1997-11-12
Compound :
mol_id molecule chains synonym
1 NITROGENASE MOLYBDENUM-IRON PROTEIN A,C NITROGENASE COMPONENT I, DINITROGENASE
ec: 1.18.6.1
fragment: CHAINS A AND C ARE THE ALPHA CHAINS, CHAINS B AND D ARE THE BETA CHAINS
mol_id molecule chains synonym
2 NITROGENASE MOLYBDENUM-IRON PROTEIN B,D NITROGENASE COMPONENT I, DINITROGENASE
ec: 1.18.6.1
fragment: CHAINS A AND C ARE THE ALPHA CHAINS, CHAINS B AND D ARE THE BETA CHAINS
mol_id molecule chains synonym
3 NITROGENASE IRON PROTEIN E,F,G,H NITROGENASE COMPONENT II, NITROGENASE REDUCTASE
ec: 1.18.6.1
other_details: 2\:1 COMPLEX OF HOMODIMERIC FE-PROTEIN AND HETEROTETRAMERIC MOFE-PROTEIN
Source :
mol_id organism_scientific
1 Azotobacter vinelandii  (taxid:354)
mol_id organism_scientific
2 Azotobacter vinelandii  (taxid:354)
mol_id organism_scientific
3 Azotobacter vinelandii  (taxid:354)
Authors : Schindelin, H., Kisker, C., Rees, D.C.
Keywords : NITROGENASE, NITROGEN FIXATION, SIGNAL TRANSDUCTION, ELECTRON TRANSFER, ATP HYDROLYSIS, COMPLEX OF NITROGENASE PROTEINS
Exp. method : X-RAY DIFFRACTION ( 3.0 Å )
Citation :

Structure of ADP x AIF4(-)-stabilized nitrogenase complex and its implications for signal transduction.

Schindelin, H.,Kisker, C.,Schlessman, J.L.  et al.
(1997)  Nature  387 : 370 - 376

PubMed: 9163420
DOI: 10.1038/387370a0

Reaction

Chain : A, C
UniProt : P07328 (NIFD_AZOVI)
Reaction: EC: Evidence:
Physiological Direction:
N2 + 8 reduced [2Fe-2S]-[ferredoxin] + 16 ATP + 16 H2O = H2 + 8 oxidized [2Fe-2S]-[ferredoxin] + 2 NH4(+) + 16 ADP + 16 phosphate + 6 H(+) 1.18.6.1 -
-
Cofactor: Evidence: Note:
[8Fe-7S] cluster - Binds 1 [8Fe-7S] cluster per heterodimer.
[7Fe-Mo-9S-C-homocitryl] cluster - Binds 1 [7Fe-Mo-9S-C-homocitryl] cluster per subunit.
Chain : B, D
UniProt : P07329 (NIFK_AZOVI)
Reaction: EC: Evidence:
Physiological Direction:
N2 + 8 reduced [2Fe-2S]-[ferredoxin] + 16 ATP + 16 H2O = H2 + 8 oxidized [2Fe-2S]-[ferredoxin] + 2 NH4(+) + 16 ADP + 16 phosphate + 6 H(+) 1.18.6.1 -
-
Cofactor: Evidence: Note:
[8Fe-7S] cluster - Binds 1 [8Fe-7S] cluster per heterodimer.
Chain : E, F, G, H
UniProt : P00459 (NIFH1_AZOVI)
Reaction: EC: Evidence:
Physiological Direction:
N2 + 8 reduced [2Fe-2S]-[ferredoxin] + 16 ATP + 16 H2O = H2 + 8 oxidized [2Fe-2S]-[ferredoxin] + 2 NH4(+) + 16 ADP + 16 phosphate + 6 H(+) 1.18.6.1 -
-
Cofactor: Evidence: Note:
[4Fe-4S] cluster - Binds 1 [4Fe-4S] cluster per dimer.