N9284
Nitroreductase from Escherichia coli
≥90% (SDS-PAGE), recombinant, expressed in E. coli
Synonym(s):
NTRA
Product Name
Nitroreductase from Escherichia coli, ≥90% (SDS-PAGE), recombinant, expressed in E. coli
recombinant
expressed in E. coli
assay
≥90% (SDS-PAGE)
form
lyophilized powder
specific activity
≥100 units/mL
mol wt
monomer 24000
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UniProt accession no.
greener alternative category
shipped in
wet ice
storage temp.
−20°C
Quality Level
Gene Information
Escherichia coli K12 ... nfsB(945483)
Related Categories
Application
Nitroreductase from Escherichia coli has been used in the conjugation generation with pig liver esterase (PLE). It has also been used in chemiluminescence response studies with probes HyCL-3 and HyCL-4-AM in rat liver microsomes.
Biochem/physiol Actions
Nitroreductase (NTR) catalyzes the reduction of nitroaromatic substrates and quinones. The mutant F124K of NTR is useful in cancer therapy and improves sensitization of drug CB1954.
Nitroreductase increases the sensitivity of organisms to nitro-containing drugs such as metronidazole by converting the nitro group to a cytotoxic nitro radical.
Nitroreductases can play a crucial role in redox systems via NADPH or NADH as a reductant.
Shows ability to reduce quinines. Enzyme for activating prodrugs in antibody directed enzyme prodrug therapy.
General description
Lyophilized powder containing PBS. Does not contain BSA as excipient
Nitroreductase is a flavoprotein and is encoded by the NfsB gene. It comprises a dimer, with 217 amino acids and active site in each subunit. The structure has FMN and the substrate bound to the enzyme.
Other Notes
One unit will reduce one μmole of Cytochrome C per minute in the presence of Menadione and NADH at pH 7.4 at 37 °C.
Preparation Note
Produced using animal component-free materials.
Storage Class
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Regulatory Information
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Generation of Escherichia coli nitroreductase mutants conferring improved cell sensitization to the prodrug CB1954
Grove JI, et al.
Cancer research, 63(17), 5532-5537 (2003)
M J Lemmon et al.
Gene therapy, 4(8), 791-796 (1997-08-01)
A fundamental obstacle in gene therapy for cancer treatment is the specific delivery of an anticancer gene product to a solid tumor. Although several strategies exist to control gene expression once a vector is directly introduced into a tumor, as
Dual enzyme-responsive ?turn-on? fluorescence sensing systems based on in situ formation of 7-hydroxy-2-iminocoumarin scaffolds
Debieu, S and Romieu A
Organic & Biomolecular Chemistry, 13(41), 10348-10361 (2015)
Chih-Chen Chen et al.
Food chemistry, 135(4), 2708-2713 (2012-09-18)
Nitroreductases (Nrs) play important roles in redox system via NADPH or NADH as a reductant. A TcNr cDNA encoding a putative Nr was cloned from Taiwanofungus camphorata. A 3-D structural model of the TcNr has been created based on the
Mckayla Stevens et al.
Bioorganic & medicinal chemistry, 28(22), 115710-115710 (2020-10-03)
In two previous studies, we identified compound 1 as a moderate GroEL/ES inhibitor with weak to moderate antibacterial activity against Gram-positive and Gram-negative bacteria including Bacillus subtilis, methicillin-resistant Staphylococcus aureus, Klebsiella pneumonia, Acinetobacter baumannii, and SM101 Escherichia coli (which has
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