Abstract
This paper describes the cloning, expression, purification and preliminary X-ray data analysis of the AcrR regulatory protein. The Escherichia coli AcrR is a member of the TetR family of transcriptional regulators. It regulates the expression of the AcrAB multidrug transporter. Recombinant AcrR with a 6xHis tag at the C-terminus was expressed in E. coli and purified by metal-affinity chromatography. The protein was crystallized using hanging-drop vapor diffusion. X-ray diffraction data were collected from cryocooled crystals at a synchrotron light source. The best crystal diffracted to 2.5 A. The space group was determined to be P3(2), with unit-cell parameters a = b = 46.61, c = 166.16 A.
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Schedule a callMore From: Acta Crystallographica Section F Structural Biology and Crystallization Communications
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