Electron spin labeling reveals the highly dynamic N-terminal arms of the SOS mutagenesis protein UmuDElectronic supplementary information (ESI) available: Protein purification protocols, lineshape fitting procedures and best-fit parameters for the spectra shown in Fig. 2 are available. See DOI: 10.1039/c1mb05334e

Electron paramagnetic resonance (EPR) spectroscopy was used to probe the conformational dynamics of the N-terminal arms of the umuD gene products. We determined that the arms of UmuD 2 display a large degree of motion, are largely unbound from the globular C-terminal domain, and that the free energy...

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Hauptverfasser: Ollivierre, Jaylene N, Budil, David E, Beuning, Penny J
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description Electron paramagnetic resonance (EPR) spectroscopy was used to probe the conformational dynamics of the N-terminal arms of the umuD gene products. We determined that the arms of UmuD 2 display a large degree of motion, are largely unbound from the globular C-terminal domain, and that the free energy of dissociation is +2.1 kJ mol −1 . Electron paramagnetic resonance spectroscopy with site-directed spin labeling shows that the N-terminal arms of the SOS response protein UmuD are highly dynamic.
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title Electron spin labeling reveals the highly dynamic N-terminal arms of the SOS mutagenesis protein UmuDElectronic supplementary information (ESI) available: Protein purification protocols, lineshape fitting procedures and best-fit parameters for the spectra shown in Fig. 2 are available. See DOI: 10.1039/c1mb05334e
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