Direct determination of the lamellar structure of peripheral nerve myelin at low resolution (17 A).
New X-ray diffraction data from normal nerve and nerve swollen in glycerol solutions have been recorded. Direct methods of structure analysis have been used in the interpretation of the X-ray data, and the phases of the first five orders of diffraction of peripheral nerve myelin have been uniquely determined. The direct methods include deconvolution of the autocorrelation function, sampling theorem reconstructions, and Fourier synthesis comparisons. Electron density profiles of normal and swollen nerve myelin at a resolution of 17 A together with an electron density scale in electrons per cubic angstrom are presented.
McIntosh, TJ; Worthington, CR
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