Anchoring protein crystals to mounting loops with hydrogel using inkjet technology

Area of Science:

• Structural Biology
• Biochemistry
• Drug Discovery

Background:

• X-ray crystallography is crucial for structure-based drug discovery, providing insights into ligand-protein interactions.
• Current ligand screening using X-ray crystallography relies on manual crystal-soaking experiments, limiting throughput.
• High-throughput screening is essential for identifying novel drug candidates efficiently.

Purpose of the Study:

• To develop an automated method for ligand screening using X-ray crystallography.
• To improve the throughput of crystal-soaking experiments for drug discovery.
• To facilitate the design of a fully automated drug-screening pipeline.

Main Methods:

• Developed a technique to anchor protein crystals to mounting loops using gel and inkjet technology.
• Enabled soaking of mounted crystals in ligand-containing solutions.
• Integrated crystal mounting and soaking for potential automation.

Main Results:

• Successfully anchored protein crystals to mounting loops.
• Demonstrated the feasibility of soaking mounted crystals in ligand solutions.
• Laid the groundwork for automating the crystal-soaking process.

Conclusions:

• The developed technique offers a novel approach to automate ligand screening in X-ray crystallography.
• This method has the potential to significantly increase the throughput of drug discovery pipelines.
• Further development could lead to a fully automated system for identifying drug candidates.