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N9284

Sigma-Aldrich

Nitroreductase from Escherichia coli

greener alternative

≥90% (SDS-PAGE), recombinant, expressed in E. coli

Sinónimos:

NTRA

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About This Item

Número MDL:
Código UNSPSC:
12352204
NACRES:
NA.54

recombinante

expressed in E. coli

Nivel de calidad

Análisis

≥90% (SDS-PAGE)

formulario

lyophilized powder

actividad específica

≥100 units/mL

mol peso

monomer 24000

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Waste Prevention
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sustainability

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Nº de acceso UniProt

categoría alternativa más sostenible

Condiciones de envío

wet ice

temp. de almacenamiento

−20°C

Información sobre el gen

Escherichia coli K12 ... nfsB(945483)

Descripción general

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.

Aplicación

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.

Acciones bioquímicas o fisiológicas

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.

Propiedades físicas

Lyophilized powder containing PBS. Does not contain BSA as excipient

Definición de unidad

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.

Nota de preparación

Produced using animal component-free materials.

Código de clase de almacenamiento

13 - Non Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable


Certificados de análisis (COA)

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Sébastien Jenni et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 248, 119179-119179 (2020-11-30)
The ever-growing demand for fluorogenic dyes usable in the rapid construction of analyte-responsive fluorescent probes, has recently contributed to a revival of interest in the chemistry of diketopyrrolopyrrole (DPP) pigments. In this context, we have explored the potential of symmetrical
Kinetics-Based Measurement of Hypoxia in Living Cells and Animals Using an Acetoxymethyl Ester Chemiluminescent Probe
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ACS sensors (2019)
G M Anlezark et al.
Biochemical pharmacology, 50(5), 609-618 (1995-08-25)
A nitroreductase isolated and purified from Escherichia coli B has been demonstrated to have potential applications in ADEPT (antibody-directed enzyme prodrug therapy) by its ability in vitro to reduce dinitrobenzamides (e.g. 5-aziridinyl 2,4-dinitrobenzamide, CB 1954 and its bischloroethylamino analogue, SN
Structural and Mechanistic Studies of Escherichia coli Nitroreductase with the Antibiotic Nitrofurazone REVERSED BINDING ORIENTATIONS IN DIFFERENT REDOX STATES OF THE ENZYME
Race PR, et al.
The Journal of Biological Chemistry, 280(14), 13256-13264 (2005)
Nitroreductase (GlNR1) increases susceptibility of Giardia lamblia and Escherichia coli to nitro drugs.
Nillius, D. J.
Antimicrobial Agents and Chemotherapy, 66, 1029-1035 (2011)

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