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A number of computational approaches have been developed to reengineer promising chimeric proteins one at a time through targeted point mutations. In this article, we introduce the computational procedure IPRO (iterative protein redesign and optimization procedure) for the redesign of an entire combinatorial protein library in one step using energy-based scoring functions. IPRO relies on identifying...
The surface potential of purple membranes and the release of protons during the bacteriorhodopsin photocycle have been studied with the covalently linked pH indicator dye, fluorescein. The titration of acidic lipids appears to cause the surface potential to be pH-dependent and causes other deviations from ideal behavior. If these anomalies are neglected, the appearance of protons can be followed by...
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