From the active site diagram below, please indicate the cofactor from the indicated components. HO 4 02 3 HN 05 1 OH OH 5 NH *HN NH Zn² 2 3
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- the following is a coenzyme or cofactor involved in enzymatic reaction. identify the biochemical role that S-adenosylmethionine plays within a biochemical tranformation.Given the following enzyme catalyzed reaction, identify the class and subclass of the enzyme involved: %3D CH3CH CH,CH2 SCOA SCOA COO СОThere is a cysteine protease, which uses a similar chemical mechanism to chymotrypsin except for using cysteine instead of serine during catalysis. Please draw the stepwise chemical mechanism for the cysteine protease.
- The plasma profiles of codeine (COD) and metabolites for 2 individuals (labeled A and B) are shown below. The X-axis is time in hours after an oral dose of codeine. [M=morphine; C6G=COD-6-glucuronide; M3G = morphine-3-glucuronide; NM (ignore)]. Note the data is shown on a log scale on the Y-axis. (A) Which individual is the poor metabolizer? Explain how you know this from the profiles? (B) Is this a problem for cough suppression? Explain. -CH HO Codeine COD 10 000 1000 C6G COD 100 M3G M6G NM 10 M 10 20 30 0 10 20 30 Plasma concentration (nmol I-)In 2-3 paragraphs (must be typed) explain: Discuss the regulation of cholesterol synthesis.Name four differential reactions that TSIA shows.
- The protein catalase catalyzes the reaction 2H,O,(aq) — 2H,O(l) + O,(g) and has a Michaelis-Menten constant of KM = 25 mM and a turnover number of 4.0 × 107 s¯¹. The total enzyme concentration is 0.010 µM and the initial substrate concentration is 4.83 µM. Catalase has a single active site. Calculate the value of Rmax (often written as Vmax) for this enzyme. Rmax Calculate the initial rate, R (often written as V), of this reaction. R = ×10 mM.s-1 mM-s-1When the enzyme is incubated with oxaloacetate, will oxaloacetate be observed?#1 Specify the role each of the following amino acids play within the crystal structure and/or active site for Be as specific as possible, with pictures (and mechanistic arrows) as necessary. His11 Arg140 Glu89 Trp68 #2 Provide a step-wise mechanism for the reaction Bisphosphoglycerate mutase catalyzes, using the amino acids responsible for aiding in catalysis. You do not need to add surrounding amino acids that aid in substrate specificity. (drawn out)