Regulation of Nitrogenase Activity by Reversible ADP Ribosylation

Light-dependent utilization of organic compounds and photoproduction of molecular hydrogen by photosynthetic bacteria; relationships with nitrogen metabolism

1961 • 621 citations

Isolation of an iron-molybdenum cofactor from nitrogenase

1977 • 582 citations

Covalent modification of the glnG product, NRI, by the glnL product, NRII, regulates the transcription of the glnALG operon in Escherichia coli.

1986 • 565 citations

Diphtheria Toxin-dependent Adenosine Diphosphate Ribosylation of Aminoacyl Transferase II and Inhibition of Protein Synthesis

1968 • 536 citations

Pertussis toxin-catalyzed ADP-ribosylation of transducin. Cysteine 347 is the ADP-ribose acceptor site.

1985 • 457 citations

Activation of Adenylate Cyclase by Choleragen

1979 • 394 citations

A Nitrogen Pressure of 50 Atmospheres Does Not Prevent Evolution of Hydrogen by Nitrogenase

1984 • 355 citations

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

1966 • 343 citations

The fundamentals of nitrogen fixation

1978 • 328 citations

ADP-ribosylation of elongation factor 2 by diphtheria toxin. NMR spectra and proposed structures of ribosyl-diphthamide and its hydrolysis products.

1980 • 323 citations

Interconvertible Enzyme Cascades in Cellular Regulation

1980 • 257 citations

RNA polymerase and the regulation of transcription

1987 • 256 citations

Photoproduction of Molecular Hydrogen by Rhodospirillum rubrum

1949 • 239 citations

Amino acid sequence of retinal transducin at the site ADP-ribosylated by cholera toxin.

1984 • 235 citations

Molecular Basis of Biological Nitrogen Fixation

1985 • 225 citations

The fundamentals of nitrogen fixation

1983 • 197 citations

STUDIES ON THE METABOLISM OF PHOTOSYNTHETIC BACTERIA

1950 • 185 citations

Covalent modification of the iron protein of nitrogenase from Rhodospirillum rubrum by adenosine diphosphoribosylation of a specific arginine residue.

1985 • 181 citations

Effect of ammonia, darkness, and phenazine methosulfate on whole-cell nitrogenase activity and Fe protein modification in Rhodospirillum rubrum

1984 • 178 citations

Deduced primary structure of the alpha subunit of the GTP-binding stimulatory protein of adenylate cyclase.

1986 • 177 citations

Activating Factor for the Iron Protein of Nitrogenase from Rhodospirillum rubrum

1976 • 173 citations

Superiority of interconvertible enzyme cascades in metabolic regulation: Analysis of multicyclic systems

1977 • 173 citations

Chemical Structure of a Modification of the Escherichia coli Ribonucleic Acid Polymerase α Polypeptides Induced by Bacteriophage T4 Infection

1974 • 164 citations

Evidence for a Nitrogenase System in the Photosynthetic Bacterium Rhodospirillum rubrum

1949 • 157 citations

Regulation of nitrogenase activity by ammonium chloride in Azospirillum spp

1986 • 152 citations

Regulatory properties of the nitrogenase fromRhodopseudomonas palustris

1978 • 150 citations

Translational efficiency of the Escherichia coli adenylate cyclase gene: mutating the UUG initiation codon to GUG or AUG results in increased gene expression.

1985 • 143 citations

Nitrogen Fixation in Obligate Methanotrophs

1983 • 135 citations

Thiol reactivity of the nitrogenase Fe-protein from Azotobacter vinelandii.

1983 • 127 citations

Fermentation and Anaerobic Respiration by Rhodospirillum rubrum and Rhodopseudomonas capsulata

1982 • 126 citations

ADP-ribosyl protein lyase. Purification, properties, and identification of the product.

1984 • 123 citations

Purification and properties of nitrogenase from Rhodospirillum rubrum, and evidence for phosphate, ribose and an adenine-like unit covalently bound to the iron protein

1978 • 122 citations

Regulation of Nitrogenase Synthesis in Intact Cells of Rhodospirillum rubrum: Inactivation of Nitrogen Fixation by Ammonia, L-glutamine and L-asparagine

1975 • 109 citations

Purification and properties of the activating enzyme for iron protein of nitrogenase from the photosynthetic bacterium Rhodospirillum rubrum.

1984 • 106 citations

Necessity of a membrane component for nitrogenase activity in Rhodospirillum rubrum

1977 • 101 citations

Reversible regulation of the nitrogenase iron protein from Rhodospirillum rubrum by ADP-ribosylation in vitro

1986 • 99 citations

Anaerobic Growth of Purple Nonsulfur Bacteria Under Dark Conditions

1970 • 93 citations

Atp hydrolysis and electron transfer in the nitrogenase reaction with different combinations of the iron protein and the molybdenum-iron protein

1972 • 93 citations

Nitrogenase from the photosynthetic bacterium Rhodopseudomonas capsulata: purification and molecular properties.

1982 • 91 citations

Purification and properties of dinitrogenase reductase ADP-ribosyltransferase from the photosynthetic bacterium Rhodospirillum rubrum.

1988 • 91 citations

Electron allocation to alternative substrates of Azotobacter nitrogenase is controlled by the electron flux through dinitrogenase

1980 • 87 citations

IV. HYDROGEN PHOTOSYNTHESIS AND ALTERNATIVE METABOLIC PATHWAYS IN PHOTOSYNTHETIC BACTERIA2

1962 • 80 citations

Glutamine as a feedback inhibitor of the Rhodopseudomonas sphaeroides nitrogenase system

1979 • 78 citations

The amino acid sequence of the nitrogenase iron protein from Azotobacter vinelandii.

1982 • 72 citations

Removal of an adenine-like molecule during activation of dinitrogenase reductase from Rhodospirillum rubrum.

1979 • 70 citations

Substrate and light dependent fixation of molecular nitrogen in Rhodospirillum rubrum

1971 • 69 citations

Nitrogen Fixation by Rhodospirillum rubrum Grown in Nitrogen-limited Continuous Culture

1969 • 69 citations

Identification of iron-sulfur centers in the iron-molybdenum proteins of nitrogenase.

1979 • 67 citations

Evidence for NH4+ switch-off regulation of nitrogenase activity by bacteria in salt marsh sediments and roots of the grass Spartina alterniflora

1986 • 67 citations

Two Forms of Nitrogenase from the Photosynthetic Bacterium Rhodospirillum rubrum

1979 • 67 citations

Nitrogen Fixation by the Green and Purple Sulfur Bacteria

1950 • 66 citations

Manganese, an Essential Trace Element for N ₂ Fixation by Rhodospirillum rubrum and Rhodopseudomonas capsulata : Role in Nitrogenase Regulation

1979 • 64 citations

Nucleotide sequence of the gene encoding the nitrogenase iron protein of Thiobacillus ferrooxidans

1987 • 62 citations

Interactions of heterologous nitrogenase components that generate catalytically inactive complexes.

1976 • 62 citations

The nitrogenase system of Spirillum lipoferum

1978 • 61 citations

Studies on the activating enzyme for iron protein of nitrogenase from Rhodospirillum rubrum.

1986 • 61 citations

Effect of light intensity and inhibitors of nitrogen assimilation on NH4+ inhibition of nitrogenase activity in Rhodospirillum rubrum and Anabaena sp

1982 • 59 citations

Changes in the regulatory form of Rhodospirillum rubrum nitrogenase as influenced by nutritional and environmental factors

1980 • 55 citations

Substitution of histidine for arginine-101 of dinitrogenase reductase disrupts electron transfer to dinitrogenase

1989 • 55 citations

Regulation of Rhodospirillum rubrum nitrogenase activity. Properties and interconversion of active and inactive Fe protein.

1982 • 55 citations

NITROGEN FIXATION BY CELL-FREE PREPARATIONS FROM MICROORGANISMS

1960 • 54 citations

Dark Anaerobic Dinitrogen Fixation by a Photosynthetic Microorganism

1979 • 51 citations

An effect of magnesium adenosine 5′-triphosphate on the structure of azoferredoxin from Clostridiumpasteurianum

1973 • 50 citations

An Introduction to Nitrogen Fixation

1966 • 48 citations

Amino acid concentrations in Rhodospirillum rubrum during expression and switch-off of nitrogenase activity

1987 • 48 citations

Comparison of active and inactive forms of iron protein from Rhodospirillum rubrum

1982 • 46 citations

Photoproduction of ammonium ion from N2 inRhodospirillum rubrum

1976 • 46 citations

Short‐Term Regulation of the Nitrogenase Activity in Rhodopseudomonas sphaeroides

1982 • 45 citations

A procedure for the preparation of extracts from Rhodospirillum rubrum catalyzing N2 reduction and ATP-dependent H2 evolution

1966 • 44 citations

N-glycohydrolysis of adenosine diphosphoribosyl arginine linkages by dinitrogenase reductase activating glycohydrolase (activating enzyme) from Rhodospirillum rubrum.

1986 • 44 citations

Short-term ammonium inhibition of nitrogen fixation in Azotobacter

1984 • 42 citations

Aspects of nitrogen fixation in Chlorobium

1986 • 41 citations

Nitrogenase of Sesbania Rhizobium Strain ORS571: Purification, Properties and 'Switch-off' by Ammonia

1985 • 41 citations

Changes in amino acid and nucleotide pools of Rhodospirillum rubrum during switch-off of nitrogenase activity initiated by NH4+ or darkness

1987 • 40 citations

Pyruvate fermentation in Rhodospirillum rubrum and after transfer from aerobic to anaerobic conditions in the dark

1976 • 40 citations

Change in subunit composition of the iron protein of nitrogenase from Rhodospirillum rubrum during activation and inactivation of iron protein

1982 • 39 citations

Adenine nucleotide levels in Rhodospirillum rubrum during switch-off of whole-cell nitrogenase activity

1984 • 39 citations

Regulation of nitrogenase A and R concentrations in Rhodopseudomonas capsulata by glutamine synthetase

1980 • 39 citations

Studies of the adenylate and pyridine nucleotide pools during nitrogenase ‘switch-off’ inRhodospirillum rubrum

1986 • 37 citations

14C-labelling of glutamine synthetase and Fe protein of nitrogenase in toluene-treated cells of Rhodopseudomonas capsulata

1983 • 35 citations

Inactivation of glutamine synthetases by an NAD:arginine ADP-ribosyltransferase.

1984 • 34 citations

Stabilization and partial characterization of the activating enzyme for dinitrogenase reductase (Fe protein) from rhodospirillum rubrum

1981 • 33 citations

Dependence on divalent cations of the activation of inactive Fe-protein of nitrogenase from rhodospirillum rubrum

1984 • 32 citations

Regulation of nitrogenase in the photosynthetic bacterium Rhodopseudomonas capsulata as studied by two-dimensional gel electrophoresis

1982 • 30 citations

ADP-ribosylation of dinitrogenase reductase from Clostridium pasteurianum prevents its inhibition of nitrogenase from Azotobacter vinelandii

1988 • 27 citations

Expression of the activating enzyme and Fe protein of nitrogenase from Rhodospirillum rubrum

1982 • 27 citations

Nitrogen fixation and ammonia switch-off in the photosynthetic bacterium Rhodopseudomonas viridis

1983 • 27 citations

Control of nitrogenase in a photosynthetic autotrophic bacterium, Ectothiorhodospira sp

1982 • 26 citations

Purification and Mn2+ activation of Rhodospirillum rubrum nitrogenase activating enzyme

1982 • 25 citations

Radiant Science, Dark Politics

1985 • 25 citations

Effect of nucleotides on the activity of dinitrogenase reductase ADP-ribosyltransferase from Rhodospirillum rubrum

1989 • 24 citations

Ammonia switch-off of nitrogenase from Rhodobacter sphaeroides and Methylosinus trichosporium: no evidence for Fe protein modification

1988 • 24 citations

Purification and properties of the heat-released nucleotide-modifying group from the inactive iron protein of nitrogenase from Rhodospirillum rubrum

1985 • 22 citations

Effects of L-methionine-DL-sulfoximine and β-N-oxalyl-L-α,β-diaminopropionic acid on nitrogenase biosynthesis and activity in Rhodopseudomonas capsulata

1979 • 22 citations

Characterization of nifH mutations of Klebsiella pneumoniae

1988 • 19 citations

Heat activation of the Fe protein of nitrogenase from Rhodospirillum rubrum.

1982 • 18 citations

Effects of in vivo treatments on the activity of nitrogenase isolated from Rhodospirillum rubrum

1982 • 15 citations

Regulation of nitrogen fixation in Rhodospirillum rubrum grown under dark, fermentative conditions

1985 • 15 citations

Properties and activities of ‘inactive’ fe protein from Rhodospirillum rubrum

1982 • 14 citations

Comparative study of the active and inactive forms of dinitrogenase reductase from Rhodospirillum rubrum

1983 • 12 citations

The activity of two forms of nitrogenase fromRhodopseudomonas capsulatain the presence of different electron donors

1984 • 10 citations

Comparing Short-Term Effects of Ammonia and Methylamine on Nitrogenase Activity in Anabaena variabilis (ATCC 29413)

1987 • 9 citations

Fluorometric assay for ADP-ribosylarginine cleavage enzymes

1987 • 8 citations

The regulation of ferredoxin-dependent nitrogenase activity inRhodospirillum rubrumandRhodopseudomonas capsulata

1985 • 5 citations

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