Structural Fluctuations in Myoglobin
A comparison of X-ray structure analysis and Mössbauer absorption spectroscopy shows that protein dynamics can be understood as a Brownian diffusion of molecule segments in a restricted space. Mean square displacements as determined by X-ray method give the limitations in space determined by the binding forces within the molecule. Additional information on the type of segmental motions, their characteristic times and the segmental size will be given.
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