Crystal Structures of Burkholderia cenocepacia Dihydropteroate Synthase
Author Information
Author(s): Morgan Rachel E, Batot Gaëlle O, Dement Jennifer M, Rao Vincenzo A, Eadsforth Thomas C, Hunter William N
Primary Institution: University of Dundee
Hypothesis
The study aims to characterize the dihydropteroate synthase (DHPS) from Burkholderia cenocepacia to support early stage drug discovery.
Conclusion
The study provides structural insights into the DHPS enzyme, which can aid in the design of new inhibitors to combat infections by Burkholderia and related Gram-negative bacteria.
Supporting Evidence
- The structure of the apo-enzyme and the complex with the product were determined to 2.35 Å and 1.95 Å resolution, respectively.
- The study reveals key interactions involved in ligand binding and provides templates for drug discovery.
- The presence of 7,8-dihydropteroate in the binding site offers insights into how the enzyme recognizes its ligand.
Takeaway
Scientists studied a protein that helps bacteria make folate, which is important for their survival, to find new ways to stop infections.
Methodology
The enzyme was expressed, purified, and crystallized, and its structure was determined using X-ray crystallography.
Limitations
The flexibility of certain loops in the enzyme structure may limit the accuracy of drug design based on these models.
Digital Object Identifier (DOI)
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