Related Experiment Video
Updated: May 18, 2026

A High-throughput Compatible Assay to Evaluate Drug Efficacy against Macrophage Passaged Mycobacterium tuberculosis
Published on: March 24, 2017
Bridging the gap between a TB drug and its target
1Department of Microbiology and Immunology, Otago School of Medical Sciences, University of Otago, Post Office Box 56, Dunedin 9054, New Zealand. gregory.cook@otago.ac.nz
A new tuberculosis drug was crystallized with its target, creating a foundation for designing better drugs to combat this infectious disease.
Area of Science:
- Drug discovery and development
- Structural biology
- Tuberculosis research
Background:
- Tuberculosis (TB) remains a significant global health challenge.
- Development of novel anti-TB drugs is crucial to overcome drug resistance.
- Structure-based drug design offers a rational approach to optimize drug candidates.
Purpose of the Study:
- To present the crystal structure of a novel TB drug in complex with its mycobacterial target.
- To establish a platform for structure-based design of improved anti-TB agents.
Main Methods:
- Cocrystallization of the novel TB drug with its mycobacterial target.
- X-ray crystallography to determine the 3D structure of the complex.
- Structure analysis to identify key interactions and potential modification sites.
Main Results:
- The crystal structure of the TB drug-mycobacterial target complex was successfully determined.
- The structure reveals critical binding interactions, providing insights into the drug's mechanism of action.
- The obtained structure serves as a template for rational drug design.
Conclusions:
- The cocrystallized structure provides a valuable platform for structure-based design of next-generation TB drugs.
- This approach is expected to accelerate the development of more effective treatments for tuberculosis.
- Further optimization based on this structural information holds promise for improving TB drug development pipelines.
Related Concept Videos
Targets for Drug Action: Overview
Receptors are either membrane-spanning or intracellular proteins, which upon binding a ligand, get activated and transmit the signal downstream to elicit a response. Drugs bind receptors, either mimicking the action of endogenous ligands or blocking the receptor activity to bring about a modified response. Nearly 35% of approved drugs target the G...
Pulmonary Tuberculosis V
Latent tuberculosis infection occurs when TB bacteria are present in a person's body, but are not causing illness or symptoms. It is not contagious, and preventive treatment is crucial to avoid the progression...
Pharmacogenomics: Identification of New Drug Targets
Modified-Release Drug Delivery Systems: Site-Targeted
Prodrugs
Prodrugs help overcome...
Drug Biotransformation: Overview

