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- Given the following enzyme catalyzed reaction, identify the class and subclass of the enzyme involved: %3D CH3CH CH,CH2 SCOA SCOA COO СОDraw the major product of the following Suzuki coupling reaction. CN B(OH)2 CI 2 eq K₂CO₂ aq. 3 mol-% Pd(PPh3)4 benzene, A CI Draw the major product of the following Stille coupling reaction. OMe N Bu3Sn + Pd(PPh3)2Cl2 OAC THF, refluxPlease name the missing product marked x in this reaction H-Q АТР + C--0 - X + ADP
- Draw the major product of the following Heck reaction. MeO Pd(OAc)2 (1 equiv) AcOH 63% Draw the major product of the following catalytic allylic alkylation Pd(PPh3)4 OAC NaCH (CO2CH3)2Draw the major product of the following reaction. CH3 HNO3 H2SO4 H2, Ni NaNO2, H3O+ KCN2b. Is ATP required for this reaction to proceed? Explain.
- Predict the major product of each of the following reactions or series of reactions. In cases involving an ortho/para-directing substituent where two products would be obtained, draw the product resulting from para-substitution only..3. Draw a properly-labeled reaction progress diagram with two lines: one line for the enzyme-catalyzed reaction, and one line for the enzyme-uncatalyzed reaction. The simplified expression for the reaction is S→ P. Assume this reaction is thermodynamically favorable. Show all appropriate species for the enzymatic reaction. Then, answer these questions: A) Are AG and AG# the same thing? B) Which of these properties is related to reaction velocity (k), and what equation describes that relationship? C) Finally, exactly how do enzymes speed up reaction rates? In your answer, please provide both a thermodynamic argument AND a structural argument.3. The succinate dehydrogenase reaction in the direction it proceeds within the CAC is shown below (left to right): FAD FADH, H-C-H H-C-H coo- succinate dehydrogenase Succinate Fumarate AG" - O kl/mol a) Calculate the standard reduction potential for the overall reaction above. b) Based on the reduction potential, calculate and compare your standard transformed free energy change to the textbook value (above), and venture to explain any discrepancies. c) Assuming the temperature of the cell is 37 °C, calculate the equilibrium ratio of oxidized to reduced cofactor when the ratio of oxidized product to reduced substrate is 1.2. .
- 2. a) Outline the general mechanism of a coenzyme B12-dependent enzyme which catalyzes the following reaction. HO H R-C-C-H ĤIÓN - H₂O HIC-H R-C-C O= H b) When R is CH3, what would the name of the enzyme be, and what would be the full EC number? Justify the first number of the EC number.1. (a) write, using structural formulas, the sequence of TCA cycle intermediates. Indicate the position of the 14C atom in each intermediate. Do not name enzymes or cofactors catalyzing the reactions. Starting with citrate formed immediately after reaction of [2-14C]acetyl-SCOA with OAA,A3