Participation Problem: Chapter 10, Problem 4: The lipid portion of a typical bilayer is about 30Å thick.(a) Calculate the minimum number of residues in an a-helix required to span this distance.(b) Calculate the minimum number of residues in a ß-strand required to span this distance.Skip part (c)(d) The epidermal growth factor receptor (EGFR) has a single transmembrane helix. Find it inthis partial sequence....RGPKIPSIATGMVGALLLLVVALGIGILFMRRRH...Table for reference (for parts a-b):TABLE 6.1 Parameters of some polypeptidesecondary structuresStructure TypeB Strand (antiparallel)B Strand (parallel)a helix310 helixPolypeptide II helixResiduesper Turn2.02.03.63.03.0Rise (h) perResidue3.4 Å3.2 Å1.5 Å2.0 Å4.7 ÅPitch (p)6.8 Å6.4 Å5.4 Å6.0 Å9.4 Å

The alpha helix structure falls under the category of regular secondary structure that repeats…

Answered: Participation Problem: Chapter 10,…

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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4 In an effort to develop a novel graft and new intellectual property, you are considering modification with a polyelectrolyte multilayer made of poly(sodium 4- styrene sulfonate) and poly(allylamine hydrochloride). Explain how this can be done via layer-by-layer deposition. Assume that your graft material has been treated so that the surface is cationic. Please clearly state the order of the poly(sodium 4-styrene sulfonate) and poly(allylamine hydrochloride) layers deposited on the modified surface
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. The structure of certain porin proteins is organized into an interesting beta-barrel, in which each beta strand spans the lipid bilayer at an ~45° angle. Using this information, together with general dimensions of the lipid bilayer, what would be the approximate number of amino acids found within a beta strand in an aquaporin protein complex? Explain how you arrive at your answer.
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Lecture 6-Worksheet Part 1: Below are TWO ER bound proteins. The green region is indicating the ER transfer signals. 1. Can you label the start and stop transfer signals based on the rules we just went over? 2. Draw and label these proteins. (1) (2) N N ER lumen Part 2: Sketch the orientation of this protein as it would appear in the transport vesicle and plasma membrane. membrane-enclosed organelle (e.g., ER or Golgi) vesicle plasma membrane 1₂:0. 0-9 ? CYTOSOL extracellular fluid 165
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