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:
UNSPSC Code:
12352204
NACRES:
NA.54
MDL number:
form
lyophilized powder
Quality Level
specific activity
≥300 units/g solid
shipped in
wet ice
storage temp.
−20°C
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.
Other Notes
One unit will reduce 1.0 μmole of nitrate per min in the presence of β-NADPH at pH 7.5 at 25 °C.
Disclaimer
light and moisture sensitive
signalword
Danger
hcodes
Hazard Classifications
Resp. Sens. 1
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Regulatory Information
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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
W H Campbell
Cellular and molecular life sciences : CMLS, 58(2), 194-204 (2001-04-06)
Pyridine nucleotide-dependent nitrate reductases (NRs; EC 1.6.6.1-3) are molybdenum-containing enzymes found in eukaryotic organisms which assimilate nitrate. NR is a homodimer with an approximately 100 kDa polypeptide which folds into stable domains housing each of the enzyme's redox cofactors--FAD, heme-Fe
R C Chiang et al.
Molecular microbiology, 24(5), 1049-1060 (1997-06-01)
The Escherichia coli NarX, NarQ, NarL and NarP proteins comprise a two-component regulatory system that controls the expression of many anaerobic electron-transport and fermentation-related genes in response to nitrate and nitrite. Either of the two sensor-transmitter proteins, NarX and NarQ
Global Trade Item Number
| SKU | GTIN |
|---|---|
| N7265-5UN | 04061834117964 |
| N7265-10UN | 04061834117957 |
| N7265-2UN | 04061835546282 |