Understanding protein-drug interactions using ion mobility-mass spectrometry

Area of Science:

• Biophysical Chemistry
• Structural Biology
• Analytical Chemistry

Background:

• Ion mobility-mass spectrometry (IM-MS) is a valuable tool for protein structural evaluation.
• It enhances biophysical analysis across various protein types, including disease-associated proteins.

Purpose of the Study:

• To review the application of IM-MS in understanding protein conformational dynamics and aggregation.
• To highlight the role of small molecules and drugs in these protein processes.
• To showcase IM-MS as a rapid screening method for protein:ligand interactions.

Main Methods:

• Utilizing ion mobility-mass spectrometry (IM-MS) for structural analysis.
• Investigating protein conformational dynamics and aggregation pathways.
• Evaluating the impact of small molecules and drugs on protein structures.

Main Results:

• IM-MS effectively analyzes diverse proteins like kinases, p53, and intrinsically disordered proteins.
• The technique elucidates the influence of small molecules on protein aggregation and dynamics.
• IM-MS facilitates rapid screening of protein:ligand interactions based on conformational changes.

Conclusions:

• IM-MS is a powerful technique for detailed protein structural analysis.
• It provides insights into disease-related protein behavior and drug interactions.
• IM-MS offers a rapid and effective strategy for evaluating protein:ligand binding mechanisms.