Article
Electric fields at the active site of an enzyme: direct comparison of experiment with theory.
Science (New York, N.Y.) - 14 Jul 2006
Suydam Ian T, Snow Christopher D, Pande Vijay S, Boxer Steven G
Abstract excerpt
The electric fields produced in folded proteins influence nearly every aspect of protein function. We present a vibrational spectroscopy technique that measures changes in electric field at a specific site of a protein as shifts in frequency (Stark shifts) of a calibrated nitrile vibration. A nitrile-containing inhibitor is used to deliver a unique probe vibration to the active site of human aldose reductase, and...
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