A new automatic flat-bed microdensitometer for use in x-ray crystallography.
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Computers↗
Biomedical subjects
J N Champness
Publications and source records attributed to J N Champness.
The hand of the stacked-disk aggregate of tobacco mosaic virus protein.
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Binding Sites↗
X-ray and optical diffraction studies of bacterial flagella.
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Bacillus↗
The structure of the protein disk of tobacco mosaic virus to 5A resolution.
An electron density map of the TMV disk at 5A resolution has been obtained using isomorphous replacement and non-crystallographic symmetry. The polypeptide chain can be traced with little ambiguity. The axial contacts between protein subunits are unlike those in the virus, the disk being a more open structure apparently designed for rapid interaction with the RNA.
Models, Molecular↗