Brand  (β version)

PDB ID: 4XPI

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Ligands
Code Name Style Show Link
1CL Fe(8)-S(7) cluster, oxidized PoSSuM
CA Calcium ion PoSSuM
GOL Glycerol PoSSuM
HCA 3-hydroxy-3-carboxy-adipic acid PoSSuM
ICS Iron-sulfur-molybdenum cluster with interstitial carbon PoSSuM
TRS 2-amino-2-hydroxymethyl-propane-1,3-diol PoSSuM
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Structure summary

Code : 4XPI   PDBj   RCSB PDB   PDBe
Header : OXIDOREDUCTASE
Title : Fe protein independent substrate reduction by nitrogenase variants altered in intramolecular electron transfer
Release Data : 2015-10-14
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
mutation: Y98H
Source :
mol_id organism_scientific expression_system
1 Azotobacter vinelandii  (taxid:354) Azotobacter vinelandii  (taxid:354)
gene: nifD
expression_system_strain: DJ939
mol_id organism_scientific expression_system
2 Azotobacter vinelandii  (taxid:354) Azotobacter vinelandii  (taxid:354)
gene: nifK
expression_system_strain: DJ939
Authors : Danyal, K., Rasmusen, A.J., Keable, S.M., Shaw, S., Zadvornyy, O., Duval, S., Dean, D.R., Raugei, S., Peters, J.W., Seefeldt, L.C.
Keywords : NITROGEN FIXATION, MoFe protein, nitrogenase, proton reduction, nitrogen, acetylene, hydride reduction, ATP-binding, Iron, Iron-sulfur, Metal-binding, Nucleotide-binding, Oxidoreductase, Molybdenum
Exp. method : X-RAY DIFFRACTION ( 1.97 Å )
Citation :

Fe protein-independent substrate reduction by nitrogenase MoFe protein variants.

Danyal, K.,Rasmussen, A.J.,Keable, S.M.  et al.
(2015)  Biochemistry  54 : 2456 - 2462

PubMed: 25831270
DOI: 10.1021/acs.biochem.5b00140

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 -
-