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Thermodynamics and Chemical Dynamics 131C. Lecture 25. Enzymes Pt. II

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Thermodynamics and Chemical Dynamics (Chem 131C) is part of OpenChem: video is part of a 27-lecture undergraduate-level course titled "Thermodynamics and Chemical Dynamics" taught at UC Irvine by Professor Reginald M. Penner.Recorded on June 4, 2012.Slide Information00:06- Enzymes (Second&Final Attempt)00:45- Announcements02:42- Chem 1 Students...04:47- Today: Enzyme Kinetics, Enzyme Inhibition5:00- How Enzymes Catalyze Reactions07:27- Equations Specific to Enzyme Catalysis, Rate of Reaction12:36- The Michaelis-Menten Equation13:04- Simplifying the Rate of Reaction15:20- Making the Michaelis-Menten Equation Useful15:46- What's Happening if K2 is big?16:56- If K2 is Big, if [S] is Big17:56- And if [S] is Big, Then...19:49- IF [S] is Small20:27- Plot of Reaction Rate vs. Concentration of S23:57- K2=Kcat=Turnover Number24:30- Ratio Between V and Vmax25:34- Basis for the Lineweaver-Burk Plot27:15- The Lineweaver-Burk Plot28:30- Problem From Last Year's Final Exam31:28- What Could Possibly Happen to Mess This Up?32:56- Classifying Inhibitors Based Upon Their Effect on the Lineweaver-Burk Plot34:46- Three Flavors of Enzyme Inhibition: Competitive Inhibition35:10- Out Competing a Competitive Inhibitor: Plot37:10- What Influence Does Vmax Have on the Lineweaver-Burk Plot?37:57- Noncompetitive Inhibition39:28- Uncompetitive Inhibition40:26- Derive the Math For the Plots43:13- No Inhibitor/Inhibitor Equations44:07- Table of Inhibition45:18- The Classical Case of Competitive Inhibition: Malonate and SD46:09- Succinate46:15- Fumarate46:36- Competitive Inhibitors Generally Resemble the Substrate of the Protein to which They BindFor more information and access to courses, lectures, and teaching material, please visit the official UC Irvine OpenCourseWare website at:

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