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Anaerobic Protein Purification and Kinetic Analysis via Oxygen Electrode for Studying DesB Dioxygenase Activity and Inhibition
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Anaerobic Protein Purification and Kinetic Analysis via Oxygen Electrode for Studying DesB Dioxygenase Activity and Inhibition
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October 03, 2018
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Here we present a protocol for anaerobic protein purification, anaerobic protein concentration, and subsequent kinetic characterization using an oxygen electrode system. The method is illustrated using the enzyme DesB, a dioxygenase enzyme which is more stable and active when purified and stored in an anaerobic environment.
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AnaerobicProtein PurificationKinetic AnalysisOxygen ElectrodeDesB DioxygenaseEnzyme ActivityInhibitionInorganic BiochemistryOxygen-sensitive MetalsProtein ExpressionCell PelletAmylose ColumnLysozymeHigh-pressure HomogenizationNitrogen GasGlove BoxAmylose Column BufferElution BufferFerrous Ammonium SulfateDithiothreitol
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Uchendu, S. N., Rafalowski, A., Cohn, E. F., Davoren, L. W., Taylor, E. A. Anaerobic Protein Purification and Kinetic Analysis via Oxygen Electrode for Studying DesB Dioxygenase Activity and Inhibition. J. Vis. Exp. (140), e58307, doi:10.3791/58307 (2018).
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