The carbon-nitrogen peptide bond is rigid, but rotation can take place about the N-Co and the Co-C bonds in a protein (Co is the a carbon atom). These bond angles define the conformation of the peptide chain. Consider the Ramachandran plot to answer both questions. Which observation most likely describes part of an observed a helix? = -60°; y = -47°; many Ala residues = 59°; y = +150°; many Ser residues = -57°; y = -47°; many Pro residues = -140°; y = +130°; many Val residues = +60°; y = +40°; many Gly residues (degrees) 180 120 60 0 -60 -120 -180 -180 0 (degrees) 180

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...
icon
Related questions
icon
Concept explainers
Question
The carbon-nitrogen peptide bond is rigid, but rotation can
take place about the N-C, and the Co-C bonds in a protein
(Co is the a carbon atom). These bond angles define the
conformation of the peptide chain.
Consider the Ramachandran plot to answer both questions.
Which observation most likely describes part of an
observed a helix?
= −60°; y = −47°; many Ala residues
-59°; y = +150°; many Ser residues
-57°; y = -47°; many Pro residues
-140°; y = +130°; many Val residues
+60°; y = +40°; many Gly residues
Φ
$ =
Φ
$ =
=
=
(degrees)
180
120
60
O
-60
-120
-180
-180
0
(degrees)
180
Transcribed Image Text:The carbon-nitrogen peptide bond is rigid, but rotation can take place about the N-C, and the Co-C bonds in a protein (Co is the a carbon atom). These bond angles define the conformation of the peptide chain. Consider the Ramachandran plot to answer both questions. Which observation most likely describes part of an observed a helix? = −60°; y = −47°; many Ala residues -59°; y = +150°; many Ser residues -57°; y = -47°; many Pro residues -140°; y = +130°; many Val residues +60°; y = +40°; many Gly residues Φ $ = Φ $ = = = (degrees) 180 120 60 O -60 -120 -180 -180 0 (degrees) 180
Which observations would not likely occur in a ẞ sheet?
= +60°; y = +60°; many Gly residues
þ = −57°; y = −49°; many Ala residues
= -139°; y = +135°; many Val residues
= -120°; y = +120°; many Tyr residues
Φ = -51°; y = +153°; many Gly and Pro residues
Transcribed Image Text:Which observations would not likely occur in a ẞ sheet? = +60°; y = +60°; many Gly residues þ = −57°; y = −49°; many Ala residues = -139°; y = +135°; many Val residues = -120°; y = +120°; many Tyr residues Φ = -51°; y = +153°; many Gly and Pro residues
Expert Solution
steps

Step by step

Solved in 3 steps with 2 images

Blurred answer
Knowledge Booster
Proteins
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY