ACTIVITY 4.1.2bhighlight the side chain that is unique.UniquefeaturesandfunctionAminoacidderivativeUniquefeaturesNameAbbreviationandfunction1-3-letterPyroglutamic GlpletterGABAepinephrine EpiHistamineSerotonin79 Copyright 2019. All Rights Reserved.

Amino acids are molecules that makeup proteins. A typical amino acid has a central alpha carbon to…

Answered: ACTIVITY 4.1.2 b highlight the side…

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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1. Requirements of Active Sites in Enzymes The active site of an enzyme usually consists of a pocket on the enzyme surface lined with amino acid side chains necessary to bind the substrate and catalyze its chemical transformation. Carboxypeptidase, which sequentially removes the carboxyl-terminal amino acid residues from its peptide substrates, consists of a síngle chain of 307 amino acids. The two essential catalytic groups in the active site are furnished by Arg45 and Glu²7º. (a) If the carboxpeptidase chain were a perfect a-helix, how far apart (in nanometers) would Arg'45 and Glu²7º be? Hint: In an æ-helix, there is 1.5 Å translation of the backbone per residue (Chapter 3). (b) Explain how it is that these two amino acids, so distantly separated in the sequence, can catalyze a reaction occurring in the space of a few tenths of a nanometer. (c) If only these two catalytic groups are involved in the mechanism of hydrolysis, why is it necessary for the enzyme to contain such a large…
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a. Suppose that you have the peptide Ala-Gly-Tyr-His-Leu and you treat it with FDNB and then 6M HCl. Draw the structures of all the products that you will have in solution (assume all reactions to go to completion).
protease mechanism: you isolate a new protease which cleaves the peptide bond 2 aa residues before a F residue. You might expect to fınd... O An I residue in the S2'pocket AL residue in the S2 pocket O aV residue in the oxyanion hole An Lresidue in the catalytic triad in Michaelis-Menton kinetics, cutting the enzyme concentration in half will O will double the reaction rate O will not change Vo and Vmax will change Vo but not turnover number decrease Km by half
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…
please help me understand asap Please draw by hand a tripeptide of Glu, Gln, and 1 amino acid of your choice (Not Glu or Gln again) at pH 7.0 and 9.0. The only requirement is that the amino acid should be 1 of the amino acids with ionizable R groups. Peptide should have appropriate charges on groups. Please
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Question: Fatty acid degradation (breakdown) and synthesis have many similarities but are uniquely different.Explain two ways that these pathways are similar and two ways that they differ. Please give four seperate factors in point form. Two similarities and two differences 4 overall.
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ACTIVITY 4.1.2 b highlight the side chain that is unique. Unique features and function Amino acid derivative Unique features and function Name Abbreviation 3. letter 1- letter Pyogluame Glp GABA epinephrine Epi Histamine Serotonin