ICMRBS founder's medal 2006: biological solid-state NMR, methods and applications

Area of Science:

• Biophysical Chemistry
• Structural Biology
• Nuclear Magnetic Resonance Spectroscopy

Background:

• Solid-state NMR (ssNMR) is a powerful technique for investigating biomolecular structure and dynamics.
• Current ssNMR methods often face limitations with increasing molecular size and complexity.
• Isotopic labeling is frequently required, posing challenges for sample preparation and cost.

Purpose of the Study:

• To develop and apply advanced ssNMR approaches for studying large and complex biomolecular systems.
• To overcome the need for specific isotopic labeling in ssNMR analyses.
• To enhance the scope and applicability of ssNMR in structural biology.

Main Methods:

• Development of novel multi-dimensional ssNMR methodologies.
• Application of spectral assignment strategies for complex systems.
• Implementation of indirect detection of proton-proton contacts.
• Utilizing ssNMR for the analysis of protein complexes, including membrane proteins.

Main Results:

• Demonstrated applicability of ssNMR to biomolecules of increasing size and complexity.
• Successful implementation of methods without requiring specific isotopic labeling.
• Detailed spectral assignments and identification of long-range proton-proton contacts.
• Characterization of (membrane) protein complex structures and dynamics.

Conclusions:

• Advanced ssNMR techniques significantly expand the possibilities for studying large biomolecular systems.
• The developed methods offer a label-free alternative for structural and dynamic investigations.
• These approaches are particularly valuable for analyzing challenging targets like protein complexes.