Chapter 1 INTRODUCTION TO NMR SPECTROSCOPY

Chapter 1. INTRODUCTION TO NMR SPECTROSCOPY . INTRODUCTION Nuclear magnetic resonance (NMR) is a spec- troscopic technique that detects the energy ab- sorbed by changes in the nuclear spin state. The application of NMR SPECTROSCOPY to the study of proteins and nucleic acids has provided unique in- formation on the dynamics and chemical kinetics of these systems. One important feature of NMR. is that it provides information, at the atomic level, on the dynamics of proteins and nucleic acids over an exceptionally wide range of time scales, ranging from seconds to pico-seconds. In addition, NMR. can also provide atomic level structural informa- tion of proteins and nucleic acids in solution (see Fig.)

Chapter 1 INTRODUCTION TO NMR SPECTROSCOPY 1.1 Introduction Figure 1.1. Protein struc-ture determined by NMR spectroscopy. Four struc-tures of a 130 residue pro-tein, derived from NMR constraints, are overlaid to highlight the accuracy of structure determination by NMR spectroscopy. Nuclear magnetic resonance (NMR) is a spec-

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