Contributors .................................................. vii
Preface ........................................................ ix
1 Applications of 33S NMR Spectroscopy ......................... 1
Roberta Musio
1 Introduction .............................................. 2
2 NMR Spectroscopic Properties of Sulphur-33 ................ 3
3 33S NMR Parameters ........................................ 8
4 33S NMR Parameters and Molecular Structure ............... 25
5 Theoretical Calculations of 33S NMR Parameters ........... 43
References .................................................. 49
Appendix .................................................... 52
2 NMR of Peptide Toxins ....................................... 89
K. Johan Rosengren, Norelle L. Daly and David J. Craik
1 Introduction ............................................. 90
2 NMR as a Tool for Determining the Structures of Toxins ... 90
3 Microbial Toxins ......................................... 92
4 Plant Toxins ............................................ 121
5 Animal Toxins ........................................... 132
6 Conclusions and Outlook ................................. 140
Acknowledgements ........................................... 141
References ................................................. 141
3 Application of NMR Spectroscopy in Isotope Effects
Studies .................................................... 149
Stefan Jankowski
1 Introduction ............................................ 150
2 Isotope Effects on Chemical Shifts and Spin-Spin
Coupling Constants ...................................... 150
3 Kinetic Isotope Effects Measured at Natural Abundance ... 153
4 Kinetic Isotope Effect Studies of Reaction Mechanisms
by NMR Spectroscopy ..................................... 160
5 Conclusions ............................................. 188
Acknowledgements ........................................... 188
References ................................................. 189
4 Residual Dipolar Couplings for the Configurational and
Conformational Analysis of Organic Molecules ............... 193
G. Kummerlöwe and B. Luy
1 Introduction ............................................ 194
2 Theory .................................................. 195
3 Alignment Media for Weak Alignment ...................... 200
4 Scaling of Alignment .................................... 206
5 Pulse Sequences ......................................... 212
6 Applications ............................................ 217
7 Conclusion and Outlook .................................. 223
Acknowledgements ........................................... 224
References ................................................. 224
Subject Index ................................................. 231
See Color Plate Section at the end of this book
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