Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Can I have a check on 9 and help on 10
Transcribed Image Text:meadⓇ
BIOL 150. Protein Structure Homework
GH
MODEL 3
Molecule 1
E
HLIM
10. The first five amino acids in this polypeptide are serine, tyrosine, alanine, phenylalanine, and valine, in
that order (Ser-Tyr-Ala-Phe-Val). If the amino acids were changed or rearranged (i.e., to Val-Phe-Ala-Ser-
Tyr), the polypeptide would have a different name and identity. Use this information to write a
definition of the primary structure of a protein.
howemoH Name: 12 nieto19.02.2018
Molecule 2
Transcribed Image Text:BIOL 150. Protein Structure Homework
Model 2 - Protein Structure (Part A)
•
Primary Structure
Amino acid sequence: Ser - Tyr-Ala-Phe-Val-Cys-Tyr-Asp - Cys - Gly
Peptide structure:
OH
CH₂OHH CH₂ CH₂
N- GEN-
IT
HO
H₂N-C -6₁7-
HO
T
H O
Secondary Structure
1gnbod at CH₂OH
H₂N-
но
H
H
HO,C—CH,… N
-N
с
CH₂ H
H O
OH
H₂C
CH, H
T
H O
SH
Th
CH₂
-C-N-
H
CH
CH,
HO
CH,
H O
H₂C
CH,SHA
H
H
CO₂
ö
CH₂
H O
ОН
CH₂
H
Name:ad
H₂C
H
H
O
CH₂
OH
CH
H
Н
.... Hydrogen bond
60
9. Locate the primary structure of the polypeptide in Model 2.
HO
CH₂
CH₂SH
NH
C-N-CH2-CO H
---
CH-CH₂SH
Draw an arrow to two different peptide bonds in the diagram.
Circle three separate amino acids that were joined together to make the
polypeptide.
3
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