Probing the Interaction of the Diarylquinoline TMC207 with Its Target Mycobacterial ATP Synthase
2011
How TMC207 Works Against Tuberculosis
publication
Evidence: high
Author Information
Author(s): Haagsma Anna C., Podasca Ioana, Koul Anil, Andries Koen, Guillemont Jerome, Lill Holger, Bald Dirk
Primary Institution: VU University Amsterdam
Hypothesis
Does TMC207 bind effectively to mycobacterial ATP synthase and inhibit its function?
Conclusion
TMC207 binds to a specific site on mycobacterial ATP synthase and effectively inhibits its activity, independent of environmental conditions like pH and proton motive force.
Supporting Evidence
- TMC207 does not compete with protons for a common binding site on ATP synthase.
- The drug is effective at both low and neutral pH values.
- Electrostatic interactions are important for TMC207 binding to ATP synthase.
- TMC207 binds to a distinct site in mycobacterial ATP synthase.
Takeaway
TMC207 is a new drug that helps fight tuberculosis by sticking to a part of the bacteria's energy-making machine, stopping it from working.
Methodology
The study used biochemical assays and binding studies to investigate how TMC207 interacts with mycobacterial ATP synthase.
Digital Object Identifier (DOI)
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