1uth
From Proteopedia
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[[Category: transcriptional regulator]] | [[Category: transcriptional regulator]] | ||
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Revision as of 14:06, 30 October 2007
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DNTR FROM BURKHOLDERIA SP. STRAIN DNT IN COMPLEX WITH THIOCYANATE
Overview
The transcriptional regulator DntR, a member of the LysR family, is a, central element in a prototype bacterial cell-based biosensor for the, detection of hazardous contamination of soil and groundwater by, dinitrotoluenes. To optimise the sensitivity of the biosensor for such, compounds we have chosen a rational design of the inducer-binding cavity, based on knowledge of the three-dimensional structure of DntR. We report, two crystal structures of DntR with acetate (resolution 2.6 angstroms) and, thiocyanate (resolution 2.3 angstroms), respectively, occupying the, inducer-binding cavity. These structures allow for the construction of, models of DntR in complex with salicylate (Kd approximately or = 4 microM), and 2,4-dinitrotoluene that provide a basis for the design of mutant DntR, with ... [(full description)]
About this Structure
1UTH is a [Protein complex] structure of sequences from [Burkholderia sp.] with SCN as [ligand]. Structure known Active Site: AC1. Full crystallographic information is available from [OCA].
Reference
Development of a bacterial biosensor for nitrotoluenes: the crystal structure of the transcriptional regulator DntR., Smirnova IA, Dian C, Leonard GA, McSweeney S, Birse D, Brzezinski P, J Mol Biol. 2004 Jul 9;340(3):405-18. PMID:15210343
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