D0690
DNA Gyrase from Escherichia coli
aqueous glycerol solution
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About This Item
Empfohlene Produkte
Biologische Quelle
Escherichia coli
Qualitätsniveau
Form
aqueous glycerol solution
Mol-Gew.
~374 kDa
Konzentration
≥2 unit/μL
Methode(n)
cell based assay: suitable
Anwendung(en)
cell analysis
Versandbedingung
dry ice
Lagertemp.
−70°C
Angaben zum Gen
Escherichia coli K12 ... gyrA(946614) , gyrB(948211)
Anwendung
DNA gyrase from Escherichia coli has been used in a study to investigate a comparative proteomic approach to better define Deinococcus nucleoid specificities. DNA gyrase from Escherichia coli has also been used in a study to investigate the role of the DnaK-ClpB bichaperone system in DNA gyrase reactivation.
Biochem./physiol. Wirkung
DNA gyrase is supplied as an A2B2 holoenzyme. The molecular mass of subunit A is 97 kDa and that of subunit B is 90 kDa. It catalyzes the ATP-dependent introduction of negative supercoils into relaxed DNA. DNA gyrase has been successfully converted into a type II topoisomerase by mutagenesis experiments.
Can be used to supercoil plasmids.
Einheitendefinition
One unit of gyrase activity will supercoil 0.5 micrograms of pBR-322 DNA in 30 minutes at 37 °C.
Sonstige Hinweise
Solution in 50% Glycerol containing Tris buffer, DTT and EDTA.
Lagerklassenschlüssel
10 - Combustible liquids
WGK
WGK 1
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
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Magali Toueille et al.
Journal of proteomics, 75(9), 2588-2600 (2012-03-27)
Compared to radiation-sensitive bacteria, the nucleoids of radiation-resistant Deinococcus species show a higher degree of compaction. Such a condensed nucleoid may contribute to the extreme radiation resistance of Deinococcus by limiting dispersion of radiation-induced DNA fragments. Architectural proteins may play
Teresa Lara-Ortíz et al.
Canadian journal of microbiology, 58(2), 195-199 (2012-01-24)
In Escherichia coli cells, an increase in temperature induces immediate DNA relaxation, followed by the fast recovery of DNA supercoiling. DNA gyrase, proteins synthesized during heat stress, and chaperone DnaK have been proposed to participate in this recovery. However, the
J C Wang
Annual review of biochemistry, 65, 635-692 (1996-01-01)
The various problems of disentangling DNA strands or duplexes in a cell are all rooted in the double-helical structure of DNA. Three distinct subfamilies of enzymes, known as the DNA topoisomerases, have evolved to solve these problems. This review focuses
S Lokeswara Balakrishna et al.
Archives of biochemistry and biophysics, 532(2), 91-102 (2013-02-13)
HIV-1 reverse transcription (RTn) involves synthesis of double strand DNA (dsDNA) from viral genomic RNA. Topoisomerase II (Topo II) alpha and beta maintains topological reorganization of dsDNA regions and catalytic inhibition of these isoforms repressed viral replicative cycle. Present study
David P Boyle et al.
Biochimica et biophysica acta, 1835(2), 230-242 (2013-02-14)
The analysis of clinical breast samples using biomarkers is integral to current breast cancer management. Currently, a limited number of targeted therapies are standard of care in breast cancer treatment. However, these targeted therapies are only suitable for a subset
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