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http://dx.doi.org/10.1021/ja00855a056 | DOI Listing |
Electron paramagnetic resonance (EPR) spectroscopy is used to study the binding of MnII ions to a tertiary stabilized hammer-head ribozyme (tsHHRz) and to compare it with the binding to the minimal hammerhead ribozyme (mHHRz). Continuous wave EPR measurements show that the tsHHRz possesses a single high-affinity MnII binding site with a KD of < or =10 nM at an NaCl concentration of 0.1 M.
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