D0690
DNA Gyrase from Escherichia coli
aqueous glycerol solution
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About This Item
Biological source:
Escherichia coli
Concentration:
≥2 unit/μL
biological source
Escherichia coli
Quality Segment
form
aqueous glycerol solution
mol wt
~374 kDa
concentration
≥2 unit/μL
technique(s)
cell based assay: suitable
application(s)
cell analysis
shipped in
dry ice
storage temp.
−70°C
Gene Information
Escherichia coli K12 ... gyrA(946614), gyrB(948211)
Application
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 Actions
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.
Other Notes
One unit of gyrase activity will supercoil 0.5 micrograms of pBR-322 DNA in 30 minutes at 37 °C.
Solution in 50% Glycerol containing Tris buffer, DTT and EDTA.
Storage Class
10 - Combustible liquids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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