Abstract

AbstractThe overall dynamics of the Pf1 filamentous bacteriophage particle in solution are characterized by nmr experiments. The chemical‐shift anisotropy powder‐pattern lineshapes from both DNA and protein backbone sites of the virus are motionally averaged in the same way, indicating that the entire particle undergoes rapid (< 104 Hz) reorientation about the long axis of the filament when the virus is in solution at high pH. In contrast, the virus particles in samples at low pH are immobile on this time scale.

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