Bradley R. Clarke

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WbdD is a bifunctional kinase/methyltransferase that is responsible for regulation of lipopolysaccharide O antigen polysaccharide chain length in Escherichia coli serotype O9a. Solving the crystal structure of this protein proved to be a challenge because the available crystals belonging to space group I23 only diffracted to low resolution (>95% of the(More)
In System C a high-perveance, hollow electron beam is injected axially into a magnetic-mirror system.l The beam generates a beam-plasma discharge 2 in the residual gas, which may be hydrogen, helium, or deuterium. The most important characteristics of the discharge are: (i) nearly complete ionization of the background gas in the immediate vicinity of the(More)
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