Brand  (β version)

PDB ID: 6BBL

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Ligands
Code Name Style Show Link
1CL Fe(8)-S(7) cluster, oxidized PoSSuM
C2H Acetylene PoSSuM
FE Fe (III) ion PoSSuM
HCA 3-hydroxy-3-carboxy-adipic acid PoSSuM
ICS Iron-sulfur-molybdenum cluster with interstitial carbon PoSSuM
IMD Imidazole PoSSuM
MG Magnesium ion PoSSuM
Non-standard Residues
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Glycosylation
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Structure summary

Code : 6BBL   PDBj   RCSB PDB   PDBe
Header : OXIDOREDUCTASE, ELECTRON TRANSPORT
Title : Crystal structure of the a-96Gln MoFe protein variant in the presence of the substrate acetylene
Release Data : 2018-01-10
Compound :
mol_id molecule chains synonym
1 Nitrogenase molybdenum-iron protein alpha chain A,C Dinitrogenase, Nitrogenase component I
ec: 1.18.6.1
mol_id molecule chains synonym
2 Nitrogenase molybdenum-iron protein beta chain B,D Dinitrogenase, Nitrogenase component I
ec: 1.18.6.1
Source :
mol_id organism_scientific
1 Azotobacter vinelandii  (taxid:354)
strain: DJ1264
mol_id organism_scientific
2 Azotobacter vinelandii  (taxid:354)
strain: DJ1264
Authors : Zadvornyy, O.A., Keable, S.M., Vertemara, J., Eilers, B.J., Karamatullah, D., Rasmussen, A.J., De Gioia, L., Zampella, G., Seefeldt, L.C., Peters, J.W.
Keywords : Nitrogenase, N2 reduction, FeMo-cofactor, substrate binding, acetylene, OXIDOREDUCTASE, ELECTRON TRANSPORT
Exp. method : X-RAY DIFFRACTION ( 1.68 Å )
Citation :

Structural characterization of the nitrogenase molybdenum-iron protein with the substrate acetylene trapped near the active site.

Keable, S.M.,Vertemara, J.,Zadvornyy, O.A.  et al.
(2017)  J. Inorg. Biochem.  180 : 129 - 134

PubMed: 29275221
DOI: 10.1016/j.jinorgbio.2017.12.008

Reaction

Chain : A, C
UniProt : P07328 (NIFD_AZOVI)
Reaction: EC: Evidence:
Physiological Direction:
16 ATP + 16 H2O + N2 + 8 reduced [2Fe-2S]-[ferredoxin] = 16 ADP + 6 H(+) + H2 + 2 NH4(+) + 8 oxidized [2Fe-2S]-[ferredoxin] + 16 phosphate 1.18.6.1 -
-
Chain : B, D
UniProt : P07329 (NIFK_AZOVI)
Reaction: EC: Evidence:
Physiological Direction:
16 ATP + 16 H2O + N2 + 8 reduced [2Fe-2S]-[ferredoxin] = 16 ADP + 6 H(+) + H2 + 2 NH4(+) + 8 oxidized [2Fe-2S]-[ferredoxin] + 16 phosphate 1.18.6.1 -
-