scholarly journals Spectroscopic Characterization of the Isolated Iron-Molybdenum Cofactor (FeMoco) Precursor from the Protein NifEN

2011 ◽  
Vol 50 (34) ◽  
pp. 7787-7790 ◽  
Author(s):  
Aaron W. Fay ◽  
Michael A. Blank ◽  
Chi Chung Lee ◽  
Yilin Hu ◽  
Keith O. Hodgson ◽  
...  
Keyword(s):  
Spectroscopic Characterization ◽  
Molybdenum Cofactor ◽  
Iron Molybdenum Cofactor

Spectroscopic Characterization of the Isolated Iron-Molybdenum Cofactor (FeMoco) Precursor from the Protein NifEN

2011 ◽  
Vol 123 (34) ◽  
pp. 7933-7936 ◽  
Author(s):  
Aaron W. Fay ◽  
Michael A. Blank ◽  
Chi Chung Lee ◽  
Yilin Hu ◽  
Keith O. Hodgson ◽  
...  
Keyword(s):  
Spectroscopic Characterization ◽  
Molybdenum Cofactor ◽  
Iron Molybdenum Cofactor

Iron-molybdenum-sulphur clusters

1982 ◽  
Vol 308 (1501) ◽  
pp. 159-166 ◽  
Keyword(s):  
Physical Properties ◽  
Bidentate Ligand ◽  
Molybdenum Cofactor ◽  
Synthesis And Characterization ◽  
Iron Molybdenum Cofactor

The recognition that molybdenum is present in the nitrogenase enzymes as an extractable cofactor, containing iron, molybdenum and sulphur in the ratios 6-8:1:4-6, has stimulated investigations concerned with the synthesis and characterization of compounds containing these three elements. This paper describes the preparation and structure of complexes containing an Fe-M o-S framework, most of these systems being classified according to whether they contain a MoS 4 group coordinated as a bidentate ligand to one or two iron atoms, or an Fe 3 MoS 4 cubane-like cluster. Several physical properties of these complexes are presented, with reference to the corresponding properties of the iron-molybdenum cofactor of the nitrogenases, especially for those complexes that contain a pair of Fe 3 MoS 4 cubane-like clusters.

Electrochemical characterization of the iron-molybdenum cofactor from Azotobacter vinelandii nitrogenase

1985 ◽  
Vol 107 (19) ◽  
pp. 5364-5368 ◽  
Author(s):  
Franklin A. Schultz ◽  
Stephen F. Gheller ◽  
Barbara K. Burgess ◽  
Samuel Lough ◽  
William E. Newton
Keyword(s):  
Azotobacter Vinelandii ◽  
Molybdenum Cofactor ◽  
Electrochemical Characterization ◽  
Iron Molybdenum Cofactor

Spectroscopic Characterization of the Molybdenum Cofactor of the Sulfane Dehydrogenase SoxCD fromParacoccus pantotrophus

2011 ◽  
Vol 50 (2) ◽  
pp. 409-411 ◽  
Author(s):  
Simon C. Drew ◽  
Eduard Reijerse ◽  
Armin Quentmeier ◽  
Dagmar Rother ◽  
Cornelius G. Friedrich ◽  
...  
Keyword(s):  
Spectroscopic Characterization ◽  
Molybdenum Cofactor

Accumulation of factor F395 in nifNE mutants of Klebsiella pneumoniae

1993 ◽  
Vol 39 (3) ◽  
pp. 351-354
Author(s):  
Diana M. Downs ◽  
Paul W. Ludden ◽  
Vinod K. Shah
Keyword(s):  
Nitrogen Fixation ◽  
Klebsiella Pneumoniae ◽  
Small Molecule ◽  
Molybdenum Cofactor ◽  
Gene Products ◽  
In Vitro Synthesis ◽  
Iron Molybdenum Cofactor

The nifNE gene products of Klebsiella pneumoniae are required for the in vivo and in vitro synthesis of the iron-molybdenum cofactor (FeMo-co) of nitrogenase. Derepression of nifNE mutants for nitrogenase resulted in the accumulation of a small molecule, factor F395. Factor F395 is protein associated in vivo. We report here initial spectral characterization of this factor.Key words: FeMo-co, nitrogen fixation, Klebsiella pneumoniae, nifNE.

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