Organic Chemistry
4th Edition
ISBN: 9780073402772
Author: Janice G. Smith
Publisher: MCG
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Textbook Question
Chapter 29, Problem 29.26P
What types of stabilizing interactions exist between each of the following pairs of amino acids?
a. Ser and Tyr
b. Val and Leu
c. two Phe residues
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Chapter 29 Solutions
Organic Chemistry
Ch. 29 - Prob. 29.1PCh. 29 - Problem 29.2
What form exists at the isoelectric...Ch. 29 - Problem 29.3
Explain why the of the group of an...Ch. 29 - Problem 29.5
What -halo carbonyl compound is...Ch. 29 - Problem 29.6
The enolate derived from diethyl...Ch. 29 - Problem 29.7
What amino acid is formed when is...Ch. 29 - Problem 29.8
What aldehyde is needed to synthesize...Ch. 29 - Prob. 29.8PCh. 29 - Prob. 29.9PCh. 29 - Prob. 29.10P
Ch. 29 - Prob. 29.11PCh. 29 - Problem 29.13
What alkene is needed to synthesize...Ch. 29 - Problem 29.14
Draw the structure of each peptide....Ch. 29 - Name each peptide using both the one-letter and...Ch. 29 - Prob. 29.15PCh. 29 - Prob. 29.16PCh. 29 - Problem 29.18
Glutathione, a powerful antioxidant...Ch. 29 - Problem 29.19
Draw the structure of the...Ch. 29 - Problem 29.20
Give the amino acid sequence of an...Ch. 29 - a What products are formed when each peptide is...Ch. 29 - Prob. 29.21PCh. 29 - Devise a synthesis of each peptide from amino acid...Ch. 29 - Devise a synthesis of the following dipeptide from...Ch. 29 - Prob. 29.24PCh. 29 - Consider two molecules of a tetrapeptide composed...Ch. 29 - What types of stabilizing interactions exist...Ch. 29 - Prob. 29.27PCh. 29 - Draw the product formed when the following amino...Ch. 29 - With reference to the following peptide: a...Ch. 29 - Devise a synthesis of the following dipeptide from...Ch. 29 - Prob. 29.31PCh. 29 - Prob. 29.32PCh. 29 - Histidine is classified as a basic amino acid...Ch. 29 - Tryptophan is not classified as a basic amino acid...Ch. 29 - What is the structure of each amino acid at its...Ch. 29 - To calculate the isoelectric point of amino acids...Ch. 29 - What is the predominant form of each of the...Ch. 29 - 29.37 What is the predominant form of each of the...Ch. 29 - a. Draw the structure of the tripeptide A–A–A, and...Ch. 29 - Draw the organic product formed when the amino...Ch. 29 - 29.39 Draw the organic products formed in each...Ch. 29 - 29.40 What alkyl halide is needed to synthesize...Ch. 29 - 29.41 Devise a synthesis of threonine from diethyl...Ch. 29 - 29.42 Devise a synthesis of each amino acid from...Ch. 29 - Prob. 29.45PCh. 29 - Prob. 29.46PCh. 29 - Prob. 29.47PCh. 29 - Prob. 29.48PCh. 29 - Prob. 29.49PCh. 29 - 29.48 Brucine is a poisonous alkaloid obtained...Ch. 29 - Prob. 29.51PCh. 29 - Prob. 29.52PCh. 29 - Draw the structure for each peptide: (a) Phe–Ala;...Ch. 29 - 29.52 For the tetrapeptide Asp–Arg–Val–Tyr:
a....Ch. 29 - Prob. 29.55PCh. 29 - Explain why a peptide CN bond is stronger than an...Ch. 29 - Prob. 29.57PCh. 29 - 29.55 Draw the amino acids and peptide fragments...Ch. 29 - Prob. 29.59PCh. 29 - Prob. 29.60PCh. 29 - Prob. 29.61PCh. 29 - 29.59 An octapeptide contains the following amino...Ch. 29 - Prob. 29.63PCh. 29 - Prob. 29.64PCh. 29 - Draw all the steps in the synthesis of each...Ch. 29 - 29.62 Write out the steps for the synthesis of...Ch. 29 - 29.64 Another method to form a peptide bond...Ch. 29 - Prob. 29.68PCh. 29 - Prob. 29.69PCh. 29 - Which of the following amino acids are typically...Ch. 29 - After the peptide chain of collagen has been...Ch. 29 - Prob. 29.72PCh. 29 - Prob. 29.73PCh. 29 - 29.70 The anti-obesity drug orlistat works by...Ch. 29 - Prob. 29.75P
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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
- Estimate the pI of each tripeptide in Problem 27.46. Draw a structural formula of these tripeptides. Mark each peptide bond, the N-terminal amino acid, and the C-terminal amino acid. (a) Phe-Val-Asn (b) Leu-Val-Glnarrow_forwardIdentify the R group of the side chain in the following amino acids that results in the side-chain classification indicated in parentheses see Table 19.1: a. tyrosine neutral, polar b. glutamate acidic, polar c. methionine neutral, nonpolar d. histidine basic, polar e. cysteine neutral, polar f. valine neutral, nonpolararrow_forwardA. Draw the structure of L-valine in a strongly basic solution. B. What is the charge of this amino acid in a strongly basic solution? C. What is the pH of D at its isoelectric point? D. Show the structure of this amino acid at its isoelectric point. E. What is the charge of this amino acid in a strongly acidic solution?arrow_forward
- (A) How many peptide bonds are present in peptide 1? (B) What is the N-terminal amino acid in peptide 2? (C) What is the C-terminal amino acid in peptide 2?arrow_forwardc)what is the pI of peptide?arrow_forwardDraw three-dimensional representations of the following amino acids.(a) l-phenylalaninearrow_forward
- Draw three-dimensional representations of the following amino acids. Explain their structures. (a) L-phenylalanine (b) L-histidine (c) D-serine (d) L-tryptophanarrow_forward. True/ False A. Amino acids found in the living systems are generally in the D-form B. The R-group attached to alfa carbon atom of amino acids are unique for each amino acids. C. Of the 20 essential amino acids, glycine is the only amino acid which is achiral. D. Ions of heavy metals Hg2+ or Pb2+ denature proteins by combining with the amino groups. E. Denaturation of protein involves the breakdown of secondary, tertiary and quaternary structure. F. Cysteine is the only amino acid that can form a disulfide bridge. G. Both the poly saccharides and proteins are polymers. H. Hydrogen bonding is responsible for the secondary structure of Proteins. I. When proteins are hydrolyzed, smaller peptides and amino acids are produced. J. When simple lipids are hydrolyzed glycerol an alcohol as well as fatty acids and their salts are produced.arrow_forwardThe structure below is β-sheet. Two extended strands of the polypeptide are H-bonded in a side-by-sidepattern.The amino acids H-bonded can be very far apart from each other in the primary structure.Drawin theH-bondsintheβ-sheet.arrow_forward
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