Literature DB >> 1631147

Plausible structure of the iron-molybdenum cofactor of nitrogenase.

M S Madden1, A M Krezel, R M Allen, P W Ludden, V K Shah.   

Abstract

A plausible structure of the iron-molybdenum cofactor of nitrogenase [reduced ferredoxin:dinitrogen oxidoreductase (ATP-hydrolyzing), EC 1.18.6.1] is presented based on altered substrate reduction properties of dinitrogenase containing homocitrate analogs within the cofactor. Alterations on each carbon of the four-carbon homocitrate backbone were correlated with altered substrate reduction properties of dinitrogenase containing these analogs. Altered substrate reduction properties are the basis for a model in which homocitrate is oriented about two cubane metal clusters.

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Year:  1992        PMID： 1631147      PMCID： PMC49526          DOI： 10.1073/pnas.89.14.6487

Source DB:  PubMed          Journal:  Proc Natl Acad Sci U S A        ISSN： 0027-8424            Impact factor:   11.205


  15 in total

1.  Homocitrate is a component of the iron-molybdenum cofactor of nitrogenase.

Authors:  T R Hoover; J Imperial; P W Ludden; V K Shah
Journal:  Biochemistry       Date:  1989-04-04       Impact factor: 3.162

2.  Novel metal cluster in the iron-molybdenum cofactor of nitrogenase. Spectroscopic evidence.

Authors:  J Rawlings; V K Shah; J R Chisnell; W J Brill; R Zimmermann; E Münck; W H Orme-Johnson
Journal:  J Biol Chem       Date:  1978-02-25       Impact factor: 5.157

3.  Nitrogenase and nitrogenase reductase associate and dissociate with each catalytic cycle.

Authors:  R V Hageman; R H Burris
Journal:  Proc Natl Acad Sci U S A       Date:  1978-06       Impact factor: 11.205

4.  The nitrogenase system from Azotobacter: two-enzyme requirement for N2 reduction, ATP-dependent H2 evolution, and ATP hydrolysis.

Authors:  W A Bulen; J R LeComte
Journal:  Proc Natl Acad Sci U S A       Date:  1966-09       Impact factor: 11.205

5.  Nitrogenase XI: Mössbauer studies on the cofactor centers of the MoFe protein from Azotobacter vinelandii OP.

Authors:  B H Huynh; E Münck; W H Orme-Johnson
Journal:  Biochim Biophys Acta       Date:  1979-01-25

6.  Metal and sulfur composition of iron-molybdenum cofactor of nitrogenase.

Authors:  M J Nelson; M A Levy; W H Orme-Johnson
Journal:  Proc Natl Acad Sci U S A       Date:  1983-01       Impact factor: 11.205

7.  Diastereomer-dependent substrate reduction properties of a dinitrogenase containing 1-fluorohomocitrate in the iron-molybdenum cofactor.

Authors:  M S Madden; N D Kindon; P W Ludden; V K Shah
Journal:  Proc Natl Acad Sci U S A       Date:  1990-09       Impact factor: 11.205

8.  Nitrogenase: the reaction between the Fe protein and bathophenanthrolinedisulfonate as a probe for interactions with MgATP.

Authors:  T Ljones; R H Burris
Journal:  Biochemistry       Date:  1978-05-16       Impact factor: 3.162

9.  Iron-molybdenum cofactor biosynthesis in Azotobacter vinelandii requires the iron protein of nitrogenase.

Authors:  A C Robinson; D R Dean; B K Burgess
Journal:  J Biol Chem       Date:  1987-10-15       Impact factor: 5.157

10.  Isolation of an iron-molybdenum cofactor from nitrogenase.

Authors:  V K Shah; W J Brill
Journal:  Proc Natl Acad Sci U S A       Date:  1977-08       Impact factor: 11.205
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  3 in total

1.  Identification and characterization of the nifV-nifZ-nifT gene region from the filamentous cyanobacterium Anabaena sp. strain PCC 7120.

Authors:  O Stricker; B Masepohl; W Klipp; H Böhme
Journal:  J Bacteriol       Date:  1997-05       Impact factor: 3.490

2.  Isolation and characterization of nitrogenase MoFe protein from the mutant strain pHK17 of Klebsiella pneumoniae in which the two bridging cysteine residues of the P-clusters are replaced by the non-coordinating amino acid alanine.

Authors:  F K Yousafzai; M Buck; B E Smith
Journal:  Biochem J       Date:  1996-08-15       Impact factor: 3.857

3.  Nucleotide sequence and genetic analysis of the Rhodobacter capsulatus ORF6-nifUI SVW gene region: possible role of NifW in homocitrate processing.

Authors:  B Masepohl; S Angermüller; S Hennecke; P Hübner; C Moreno-Vivian; W Klipp
Journal:  Mol Gen Genet       Date:  1993-04
  3 in total

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