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August 19, 2013
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Time courses for the glycosylase activity of 8-oxoguanine DNA glycosylase are biphasic exhibiting a burst of product formation and a linear steady-state phase. Utilizing quench-flow techniques, the burst and the steady-state rates can be measured, which correspond to excision of 8-oxoguanine and release of the glycosylase from the product DNA, respectively.
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Sassa, A., Beard, W. A., Shock, D. D., Wilson, S. H. Steady-state, Pre-steady-state, and Single-turnover Kinetic Measurement for DNA Glycosylase Activity. J. Vis. Exp. (78), e50695, doi:10.3791/50695 (2013).
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