Leu-Glu-Glu-Val-Phe-Ser-Gln-Leu-Cys-Thr-His-Val-Glu-Thr-Leu-Lys a) Circle all of the hydrophilic amine acid residues. b) Box in all of the hydrophobic amino acid residues. c) The sequence forms an alpha helix. Create a model of the peptide on the alpha helix wheel below. Leucine has been placed for you at 0°. Continue placing the amino acids clockwise around the wheel. Each amino acid rotates by 100°. d) Add all of the circles and boxes to the amino acids around the wheel. e) Label the sections of the alpha helix that are hydrophilic and hydrophobic.

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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Consider the peptide in the image and answer the following questions.
Leu-Glu-Glu-Val-Phe-Ser-Gln-Leu-Cys-Thr-His-Val-Glu-Thr-Leu-Lys
a) Circle all of the hydrophilic amine acid residues.
b) Box in all of the hydrophobic amino acid residues.
c) The sequence forms an alpha helix. Create a model of the peptide on the alpha helix wheel below.
Leucine has been placed for you at 0°. Continue placing the amino acids clockwise around the wheel.
Each amino acid rotates by 100°.
d) Add all of the circles and boxes to the amino acids around the wheel.
e) Label the sections of the alpha helix that are hydrophilic and hydrophobic.
270°
Leu
0°
180°
90°
Transcribed Image Text:Leu-Glu-Glu-Val-Phe-Ser-Gln-Leu-Cys-Thr-His-Val-Glu-Thr-Leu-Lys a) Circle all of the hydrophilic amine acid residues. b) Box in all of the hydrophobic amino acid residues. c) The sequence forms an alpha helix. Create a model of the peptide on the alpha helix wheel below. Leucine has been placed for you at 0°. Continue placing the amino acids clockwise around the wheel. Each amino acid rotates by 100°. d) Add all of the circles and boxes to the amino acids around the wheel. e) Label the sections of the alpha helix that are hydrophilic and hydrophobic. 270° Leu 0° 180° 90°
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