The blue structure in the diagram below is anenzyme. Please discuss what these diagrams(A and B) show. Please explain whether thegrey tube within the enzyme would be effectiveas a drug or medication to inhibit this enzymein both A and B. What type of drug ormedication would this be called?AB(ESESOO#

Enzyme is used to carry a reaction where a substrate is converted into a product. The molecule that…

Answered: The blue structure in the diagram below…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Discuss in a short paragraph (3–5 sentences for each mutation) whether or not the enzyme is likely to completely lose catalytic activity if the following mutations are carried out. You may assume that steric effects do not distort the active site so much that catalysis cannot take place; focus your analysis on discussing the chemistry the amino acid side chains are able to perform and the properties that enable them to do so. Mutation 1: H to E Mutation 2: H to N Mutation 3: S to D Mutation 4: S to C
1/v 1/[S] Compound I is a substrate for the enzyme reverse transcriptase and compounds Il and lll are inhibitors. The inhibition plots for each compound are Illustrated above. The line labeled E is the enzyme with substrate alone (no inhibitor present). Answer the following questions by filling în the blanks. Line A most likely belongs to compound because it is a inhibitor. Line B belongs to compound because it is a inhibitor.
This image is showing the conformations of ubiquitin superimposed. What do the structures in this figure tell us about the dynamics of enzymes? Discuss the limitations of crystal structures in the analysis of proteins. What are the benefits? What are the advantages of NMR structures?
The fosfomycin disc (200/50) also contains glucose-6-phosphate (G-6-P). Which ONE of the following best describes why this is the case? Select one: A. G-6-P increases the solubility of fosfomycin B. G-6-P is used to promote active transport of fosfomycin into the bacterial cell C. G-6-P is used in the formulation to correct glucose deficiencies promoted by fosfomycin D. G-6-P stabilises fosfomycin from spontaneous hydrolysis in aqueous solution E. G-6-P is an inhibitor of FosA that inactivates fosfomycin
Small molecules are used as inhibitors of protein action - as drugs. They most often do this by blocking the active site within the protein. Potential drugs can be screened computationally to determine if they are strongly bound to the protein. Figure 1 shows a possible conformation of a candidate drug molecule, 4-bromo-2- carboxymethylamide-pyrrole (abbreviation: BCMAP) at the active site of a protein (abbreviation: PR). Figure 2 shows the full protein structure whilst figure 3 shows a known inhibitor of the protein at the site, overlayed with another calculated conformer of BCMAP. (a) Explain what types of interactions, both intermolecular and intramolecular, that a molecular mechanics forcefield must be able to describe in order to be able to accurately determine the geometry of BCMAP in the protein. Identify which interactions will be the most important to describe accurately. Figure 1.4-bromo-2-carboxymethylamide-pyrrole (BCMAP) (C, N, O, and Br atoms in yellow, blue, red, and…
The pKa for histidine is pKa = 6.1 while that for cysteine is pKa = 8.0 2. Assume that both histidine and cysteine are catalytic groups for a particular enzyme. Assume also that the side chain of cysteine must be in the deprotonated form. Estimate the pH at which the catalytic activity of this enzyme is the maximum and sketch a pH-activity graph.
Which of the following drugs is a less potent microsomal triglyceride transfer protein (MTP) inhibitor, which reduces cholesterol levels? O Structure 1 (IC50 = 23 nM) O BMS-200150 (IC50 = 2.2 µM) O Hybrid Structure (IC50 = 12 nM) %3! O Hit compound (IC50 = 36 µM) %3D Lomitapide (IC50 = 0.5 nM)
The figure below shows the dependence of the enzyme's rate, v (in µM/min), as a function of substrate concentration, S (in mM). Also shown is the dependence of the rate in the presence of an inhibitor, present at a concentration of 0.2 mM. Based on this information, which of the following does this inhibitor most likely interact with? 1/v 1- 05 1/[S) O A. Michaelis complex O B. [E O C. free enzyme O D. free substrate O E. Both "A" and "B."
Draw the Michaelis-Menten graph you would predict for the enzyme using 50 nM and 100 nM of enzyme in your assays.
Calculate 1/[S] and 1/V to complete the table. Use this data to draw a Lineweaver-Burke plot, with lines for ‘no inhibitor’ and ‘with inhibitor’. Be sure to label your axes and lines. What kind of inhibitor is it? Estimate Vmax and Km for the uninhibited reaction.

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