Metal Site Structure in a Protein Studied by Differential Perturbed Angular Correlations
- 18 February 1974
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 32 (7) , 340-342
- https://doi.org/10.1103/physrevlett.32.340
Abstract
A static quadrupole interaction has been determined for the 247-keV state of bound to the active site of human carbonic anhydrase . The rotational diffusion was slowed down by dissolving the enzyme in a 46% sucrose solution at 22°C. The result yields two different frequencies and asymmetries, indicating either two forms of the enzyme or an additional site for Cd.
Keywords
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