Mobilitv and J function in proteins and nucleicacids -- Contents -- Introduction -- The role of mobility in the substrate binding and catalytic machinery of enzymes -- Discussion -- Ligand- induced conformational changes in proteins -- Discussion -- Mobility and active-site coupling in 2-0x0 acid dehydrogenase complexes -- Discussion -- The mobility of calcium- trigger proteins and its function -- Discussion -- Mobility and func-tion in elastin and collagen -- Discussion -- Flexibility in tobacco mosaic virus -- Discussion -- The molecular basis of muscle contraction -- Discussion -- Actin-induced changes in the dynamics of myosin subfragment-1 detected by nuclear magnetic resonance -- Discussion -- Rotational dynamics of spin-labelled muscle proteins -- Discussion -- Cross-bridge movement in muscle and the conformation of the myosin hinge -- Discussion -- Nuclear magnetic resonance studies on structure and breathing dynamics of transfer RNA -- Discussion -- Triplet anisotropy decay measurements of DNA internal motion -- Discussion -- Conformations and flexibilities of histones and high mobility group (HMG) proteins in chromatin structure and function -- Discussion -- Local and collective motions in protein dynamics -- Discussion -- Soliton theory of protein dynamics -- Discussion -- Nuclear magnetic resonance studies of mobility in proteins -- Discussion -- Summary and outlook -- FINAL GENERAL DISCUSSION -- Closing remarks -- Index of contributors -- Subject index.