Regulation of Dinitrogenase Reductase ADP-ribosyltransferase and Dinitrogenase Reductase-activating Glycohydrolase by a Redox-dependent Conformational Change of Nitrogenase Fe Protein

Regulation of Dinitrogenase Reductase ADP-ribosyltransferase and Dinitrogenase Reductase-activating Glycohydrolase by a Redox-dependent Conformational Change of Nitrogenase Fe Protein

The nitrogenase-regulating enzymes dinitrogenase reductase ADP-ribosyltransferase (DRAT) and dinitrogenase reductase-activating glycohydrolase (DRAG), from Rhodospirillum rubrum, were shown to be sensitive to the redox status of the [Fe4S4]1+/2+ cluster of nitrogenase Fe protein from R. rubrum or Az...

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Veröffentlicht in:The Journal of biological chemistry 2000-02, Vol.275 (5), p.3493-3500
Hauptverfasser: Halbleib, Cale M., Zhang, Yaoping, Ludden, Paul W.
Format: Artikel
Sprache:eng
Schlagworte:
ADP Ribose Transferases - metabolism
dinitrogenase reductase ADP-ribosyltransferase
dinitrogenase reductase-activating glycohydrolase
Enzyme Activation
Glycoside Hydrolases - metabolism
Mutation
N-Glycosyl Hydrolases
Nitrogen Fixation
Nitrogenase - chemistry
Nitrogenase - genetics
Nitrogenase - metabolism
Oxidation-Reduction
Oxidoreductases
Protein Conformation
Rhodospirillum rubrum
Rhodospirillum rubrum - enzymology
Structure-Activity Relationship
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Zusammenfassung:The nitrogenase-regulating enzymes dinitrogenase reductase ADP-ribosyltransferase (DRAT) and dinitrogenase reductase-activating glycohydrolase (DRAG), from Rhodospirillum rubrum, were shown to be sensitive to the redox status of the [Fe4S4]1+/2+ cluster of nitrogenase Fe protein from R. rubrum or Azotobacter vinelandii. DRAG had
ISSN:0021-9258
1083-351X
DOI:10.1074/jbc.275.5.3493