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The revisited version of the HACACO experiment here presented, is more robust and straightforward to implement and continues to be, to a greater extent, a convenient tool for protein backbone resonance assignment. Additionally, it turns out to be a sensitive and accurate method to measure C α –H α residual dipolar couplings (RDCs). The performance of our new pulse scheme for measurement...
The interaction of the prokaryotic DNA-scaffolding proteins NS (from Escherichia coli and BS-NS (from Bacillus stearothermophilus) with DNA has been investigated. Upon binding of NS to DNA, the resolution of its 400 MHz 1 H-NMR spectrum is lost, due to the broadening of all resonance lines. These effects are reversed by increasing the ionic strength. Since with increasing amounts of DNA added...
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