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Article

Characteristics of NIFNE in Azotobacter vinelandii strains. Implications for the synthesis of the iron-molybdenum cofactor of dinitrogenase.

The Journal of biological chemistry - 3 Mar 1995

Roll J T, Shah V K, Dean D R, Roberts G P

Abstract excerpt

The products of the nifN and nifE genes of Azotobacter vinelandii function as a 200-kDa alpha 2 beta 2 tetramer (NIFNE) in the synthesis of the iron-molybdenum cofactor (FeMo-co) of nitrogenase, the enzyme system required for biological nitrogen fixation. NIFNE was purified using a modification of the published protocol. Immunoblot analysis of anoxic native gels indicated that distinct forms of NIFNE accumulate...

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Identifiers

PMID: 7876209
DOI: 10.1074/jbc.270.9.4432

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

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Characteristics of NIFNE in Azotobacter vinelandii strains. Implications for the synthesis of the iron-molybdenum cofactor of dinitrogenase.PMID 7876209Read ↗

Accumulation of 55Fe-labeled precursors of the iron-molybdenum cofactor of nitrogenase on NifH and NifX of Azotobacter vinelandii.Semantic proximity Read ↗

Role of Azotobacter vinelandii FdxN in FeMo-co biosynthesis.Semantic proximity Read ↗

Role of Escherichia coli nitrogen regulatory genes in the nitrogen response of the Azotobacter vinelandii NifL-NifA complex.Semantic proximity Read ↗

Identification of gene products from the Azotobacter vinelandii nifBfdxNnifOQ operon.Semantic proximity Read ↗

A proposed role for the Azotobacter vinelandii NfuA protein as an intermediate iron-sulfur cluster carrier.Semantic proximity Read ↗

The product of the nitrogen fixation regulatory gene nfrX of Azotobacter vinelandii is functionally and structurally homologous to the uridylyltransferase encoded by glnD in enteric bacteria.Semantic proximity Read ↗

Characterization of genes for a second Mo-dependent nitrogenase in the cyanobacterium Anabaena variabilis.Semantic proximity Read ↗

The nifU, nifS and nifV gene products are required for activity of all three nitrogenases of Azotobacter vinelandii.Semantic proximity Read ↗

Accumulation of factor F395 in nifNE mutants of Klebsiella pneumoniae.Semantic proximity Read ↗

Role for the nitrogenase MoFe protein alpha-subunit in FeMo-cofactor binding and catalysis.Semantic proximity Read ↗

Nucleotide sequence and mutational analysis of the vnfENX region of Azotobacter vinelandii.Semantic proximity Read ↗

The role of regulatory genes nifA, vnfA, anfA, nfrX, ntrC, and rpoN in expression of genes encoding the three nitrogenases of Azotobacter vinelandii.Semantic proximity Read ↗

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