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  • Mtub Gyrase Cleavage

M. tuberculosis (HIS) Cleavage Kit

These kits are designed specifically for DNA cleavage reactions. They contain cleavage specific M. tuberculosis gyrase enzyme, supercoiled pBR322 DNA substrate, the Cleavage Assay and Dilution buffers, as well as 10X GSTEB - our new stop and loading buffer. 

Interruption of the DNA breakage-reunion step or stabilisation of the DNA-breakage step of the gyrase reaction can lead to cell death and is the mechanism by which the quinolones, such as nalidixic acid and ciprofloxacin, act. Cleavage assays are particularly useful in determining if a potential compound acts by this mechanism. Quinolones and similar compounds do not require ATP to stabilise the cleavage intermediate, thus the cleavage assay buffer does not contain ATP. However, if you are concerned that your compound/molecule of interest requires ATP to stabilise the cleaved intermediate, ATP can be added to the reaction.

Cleavage specific enzyme is available separately on request.

Mycobacterium tuberculosis DNA gyrase is a bacterial type II topoisomerase which can introduce negative supercoils into DNA. It is a target antibacterial drugs and can be used for screening potential novel antibacterial compounds. It is prepared by overexpressing the subunits with C-terminal polyhistidine tags in E. coli and then purified by affinity chromatography.

It is supplied as an A2B2 complex in Dilution Buffer. Store at -80 °C.

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Cat no. Product Price Quantity
MTGC001 M. tuberculosis (HIS) Gyrase Cleavage Assay Kit 1
100 assays - cleavage grade M. tuberculosis (HIS) Gyrase supplied with 5X Cleavage Assay Buffer, Dilution Buffer, 50 µg negatively supercoiled pBR322 plasmid, and 10X GSTEB
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