Results 241 to 250 of about 53,876 (297)

The nrfA and nirB Nitrite Reductase Operons in Escherichia coli Are Expressed Differently in Response to Nitrate than to Nitrite

, 2000
Henian Wang, Robert P. Gunsalus
openalex   +2 more sources

Unexpected Roles of a Tether Harboring a Tyrosine Gatekeeper Residue in Modular Nitrite Reductase Catalysis. [PDF]

ACS Catal, 2019
Hedison TM, Shenoy RT, Iorgu AI, Heyes DJ, Fisher K, Wright GSA, Hay S, Eady RR, Antonyuk SV, Hasnain SS, Scrutton NS.   +10 more
europepmc   +1 more source

Shewanella oneidensis Cytochrome c Nitrite Reductase (ccNiR) Does Not Disproportionate Hydroxylamine to Ammonia and Nitrite, Despite a Strongly Favorable Driving Force

, 2014
Matthew D. Youngblut, Daniel J. Pauly, Natalia Stein, Daniel T. Walters, John A. Conrad, Graham R. Moran, Brian Bennett, A. Andrew Pacheco   +7 more
openalex   +1 more source

Nitrite induced nitrate and nitrite reductases in Azotobacter vinelandii.

Indian journal of biochemistry & biophysics, 1975
R S, Marwaha, S K, Sawhney, M S, Naik
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Pseudoazurin–Nitrite Reductase Interactions

ChemBioChem, 2005
AbstractThe nitrite reductase‐binding site on pseudoazurin has been determined by using NMR chemical‐shift perturbations. It comprises residues in the hydrophobic patch surrounding the exposed copper ligand His81 as well as several positively charged residues. The binding site is similar for both redox states of pseudoazurin, despite differences in the
Antonietta, Impagliazzo, Ludwig, Krippahl, Marcellus, Ubbink   +2 more
openaire   +2 more sources

Denitrification and nitrite reduction: Pseudomonas aeruginosa nitrite-reductase

Biochimie, 1984
Present knowledge of the different enzymatic steps of the denitrification chains in various bacteria, particularly Paracoccus denitrificans and Pseudomonas aeruginosa has been briefly reviewed. The question whether nitric oxide (NO), nitrous oxide (N2O) and other nitrogen derivatives are obligatory intermediates has been discussed.
Y, Henry, P, Bessières
openaire   +2 more sources

Ferredoxin-nitrite reductase from spinach

Biochimica et Biophysica Acta (BBA) - Enzymology and Biological Oxidation, 1966
Summary 1. Nitrite reductase from a crude homogenate of spinach leaves has been purified about 500-fold and freed from NADP-reductase (EC 1.6.99.4) and nitrate reductase (EC 1.6.6.2). The enzyme, which does not seem to be a flavoprotein, catalyzes the reduction of nitrite to ammonia with a variety of enzyme systems as electron donors and requires
J M, Ramírez, F F, Del Campo, A, Paneque, M, Losada   +3 more
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Nitrite Reductases in Denitrification

2007
Nitrite reductase (NIR) is a key enzyme in the dissimilatory denitrification chain, catalyzing the reduction of NO2 - to NO. Although a matter of debate for a long time, NO is now accepted product of NO2 --reduction as an obligatory intermediate in most denitrifiers, and it is further reduced to N2O by NO reductase. Purification and characterization of
RINALDO, Serena, CUTRUZZOLA', Francesca
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[44] Nitrite reductase

1971
Publisher Summary This chapter discusses the determination of nitrite reductase. The usual assay involves sodium dithionite as reductant and either ferredoxin or its artificial substitute, methyl viologen, as the electron carrier. Enzymatic activity can be best followed by measuring colorimetrically the rate of disappearance of nitrite.
Manuel Losada, Antonio Paneque
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A nitrite reductase from Neurospora crassa

Biochimica et Biophysica Acta, 1960
Abstract Nitrite reductase has been purified, over 50-fold from ordinary felts of Neurospora crassa, macroconidial wild type Em 5297a. The enzyme is a DPNH-dependent flavoprotein containing FAD, Fe and Cu and -SH groups. Copper may act by coupling the flavin component of the enzyme to nitrite since an external supply of Cu1+ reduced NO2 non ...
D J, NICHOLAS, A, MEDINA, O T, JONES
openaire   +2 more sources