Abstract
It is a great pleasure for us to introduce this special issue of the Journal of Biomolecular NMR on the occasion of Prof. Lewis E. Kay’s 50th birthday. We are grateful to the Editors of the Journal of Biomolecular NMR for accepting our proposal. In particular, we thank Prof. Martin Billeter for editing this issue, and Dr. Ad Bax for advice and support. We believe that Lewis merits this special issue of Journal of Biomolecular NMR for his innovative contributions to biomolecular NMR spectroscopy, as well as for his role as inspirer for a large group of young research professionals. The following short list of examples serves to illustrate how the work of Lewis Kay has helped to advance our field: Lewis has consistently been a pioneer in the development of novel methods essential to increasing the size of proteins that may be studied by NMR. In the days when assigning chemical shifts of a protein with 150 amino acids was a major endeavour, the Kay lab––in collaboration with Prof. Cheryl Arrowsmith––combined advances in gradientenhanced spectroscopy, protein deuteration and pulse sequence design to establish the resonance assignments for a 37 kDa complex. As these techniques became more broadly used, his lab forged ahead with clever biochemical tricks for incorporating protonated methyl groups in otherwise deuterated proteins, and developed methyl TROSY experiments that permit well-resolved spectra to be obtained for high molecular weight complexes, extending to 1 MDa. Lewis has been a leader in using NMR to measure fast timescale macromolecular dynamics, starting with his contributions to inverse-detected N relaxation experiments. His deuterium spin relaxation methodologies have had a huge impact on our ability to characterize side chain dynamics in proteins. In addition, the Kay lab has extensively developed and applied new methodologies for studying low-populated states of proteins and their roles in biology. Building on transverse relaxation dispersion experiments, the Kay lab has introduced approaches to elucidate the threeK. H. Gardner (&) Department of Biochemistry, UT Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX 75390-8816, USA e-mail: Kevin.Gardner@UTSouthwestern.edu
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