N7265
Nitrate Reductase (NAD[P]H) from Aspergillus niger
lyophilized powder, ≥300 units/g solid
Synonym(s):
NAD(P)H:Nitrate oxidoreductase
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About This Item
CAS Number:
MDL number:
UNSPSC Code:
12352204
NACRES:
NA.54
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form
lyophilized powder
Quality Level
specific activity
≥300 units/g solid
shipped in
wet ice
storage temp.
−20°C
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General description
Nitrate reductase (NAD[P]H) is expressed in variety of organisms including bacteria, fungi, algae, and higher plants which have capacity to use nitrate as their sole source of nitrogen.Experimental studies show that nitrate reductase (NAD[P]H) is 180,000Daltons.
Biochem/physiol Actions
Nitrate Reductase (NAD[P]H) catalyzes the reduction of nitrate to nitrite. In addition, it also catalyzes the reduction of NADPH-cytochrome c, FADH2-nitrate. Nitrate reductase also has reduced methyl viologen-nitrate reductase activities.
Caution
light and moisture sensitive
Unit Definition
One unit will reduce 1.0 μmole of nitrate per min in the presence of β-NADPH at pH 7.5 at 25 °C.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Resp. Sens. 1
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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E Fernández et al.
Biochimica et biophysica acta, 657(1), 1-12 (1981-01-15)
In vitro complementation of the soluble assimilatory NAD(P)H-nitrate reductase (NAD(P)H:nitrate oxidoreductase, EC 1.6.6.2) was attained by mixing cell-free preparations of Chlamydomonas reinhardii mutant 104, uniquely possessing nitrate-inducible NAD(P)H-cytochrome c reductase, and mutant 305 which possesses solely the nitrate-inducible FMNH2- and
Bharat Bhushan et al.
Environmental science & technology, 36(14), 3104-3108 (2002-07-27)
Hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) can be efficiently mineralized with anaerobic domestic sludge, but the initial enzymatic processes involved in its transformation are unknown. To test the hypothesis that the initial reaction involves reduction of nitro group(s), we designed experiments to test the
N Minagawa et al.
Journal of biochemistry, 91(3), 761-774 (1982-03-01)
NADPH-nitrate reductase [NADPH : nitrate oxidoreductase, EC 1.6.6.3] was purified 500-fold from Aspergillus nidulans with an overall yield of about 20%. The purified enzyme catalyzed NADPH-nitrate, NADPH-cytochrome c, FADH2-nitrate and reduced methyl viologen-nitrate reductase activities. Its molecular weight was estimated
E Fernández et al.
Proceedings of the National Academy of Sciences of the United States of America, 86(17), 6449-6453 (1989-09-01)
The nitrate reductase structural gene of Chlamydomonas reinhardtii has been isolated from a genomic library by using a nitrate reductase cDNA probe from barley. Restriction fragment length polymorphism analyses mapped the Chlamydomonas clone (B6a) to the nitrate reductase structural gene
G Unden et al.
Molecular microbiology, 25(2), 205-210 (1997-07-01)
The FNR (fumarate and nitrate reductase regulation) protein of Escherichia coli is an oxygen-responsive transcriptional regulator required for the switch from aerobic to anaerobic metabolism. In the absence of oxygen, FNR changes from the inactive to the active state. The
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