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Time-resolved spectroscopy meets time-resolved crystallography: The future of dynamic photobiology
6 May – 8 May CEST
Pécs, Hungary
FEBS 2025 Advanced Course
Elucidating signal transduction processes in biology is fundamental, if we want to understand the mechanisms of life and engineer novel photoreceptors with custom-tailored light-regulated function. However, watching proteins work in various time scales (from the femtosecond to the steady state) is very challenging and has been the subject of intense research.
Time-resolved spectroscopy has revolutionized the understanding of protein function by probing excited states and revealing the kinetic profile of light-triggered intermediates. On the other hand, time-resolved X-ray techniques have generated atomic resolution models of structural intermediates and revealed conformational dynamics by providing snapshots of the dynamic processes in light-sensitive biomolecules. None of these experimental techniques is able to unravel dynamic processes in biomolecules by itself, whereas quantum mechanical and classical dynamics numerical calculations are needed to complement the experimental results. To that goal, the synergy of time-resolved spectroscopy and time-resolved X-ray techniques is indispensable as it provides the necessary temporal and spatial resolution to reveal the functional dynamics of biomolecules.