Abstract
ALTHOUGH some of the considerations already discussed are admittedly provisional, they show how the knowledge of protein structure is steadily increasing, how, in fact, the examination of the structure can be looked on as a branch of crystallography. The X-ray methods furnish measurements of distances and angles which suggest the possible forms of the proteins in space, forms which must obey certain geometrical conditions. Some of these are carried over from examinations of other organic molecules; others are derived from direct X-ray measurements of the proteins themselves. It then becomes of great interest to connect the physical form with biological properties.
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References
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Bragg, W. Recent Crystallography. Nature 139, 911–913 (1937). https://doi.org/10.1038/139911a0
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DOI: https://doi.org/10.1038/139911a0