ORGANIC CHEMISTRY (LOOSE)-MOLYMOD PKG.
5th Edition
ISBN: 9781260227475
Author: SMITH
Publisher: MCG
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Textbook Question
Chapter 29, Problem 29.30P
With reference to the following peptide: (a) Identify the
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(A) How many peptide bonds are present in peptide 1?
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Calculate the attraction between an arginine and glutamate at pH 7 under thefollowing conditions:a) in air, spaced 5 Å apartb) in water, spaced 5 Å apartc) in ethanol, spaced 5 Å apart
Chapter 29 Solutions
ORGANIC CHEMISTRY (LOOSE)-MOLYMOD PKG.
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 - Prob. 29.4PCh. 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 - Problem 29.9
Draw the products of each...Ch. 29 - Prob. 29.10P
Ch. 29 - Prob. 29.11PCh. 29 - Prob. 29.12PCh. 29 - Problem 29.13
What alkene is needed to synthesize...Ch. 29 - Problem 29.14
Draw the structure of each peptide....Ch. 29 - Problem 29.15
Name each peptide using both the...Ch. 29 - Prob. 29.16PCh. 29 - Prob. 29.17PCh. 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. 29.22PCh. 29 - Devise a synthesis of each peptide from amino acid...Ch. 29 - Devise a synthesis of the following dipeptide from...Ch. 29 - Prob. 29.25PCh. 29 - Consider two molecules of a tetrapeptide composed...Ch. 29 - What types of stabilizing interactions exist...Ch. 29 - Prob. 29.28PCh. 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. 29.32PCh. 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 - 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 - 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. 29.43PCh. 29 - Prob. 29.44PCh. 29 - Prob. 29.45PCh. 29 - Prob. 29.46PCh. 29 - Prob. 29.47PCh. 29 - 29.48 Brucine is a poisonous alkaloid obtained...Ch. 29 - Prob. 29.49PCh. 29 - Prob. 29.50PCh. 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. 29.53PCh. 29 - Prob. 29.54PCh. 29 - 29.55 Draw the amino acids and peptide fragments...Ch. 29 - Prob. 29.56PCh. 29 - Prob. 29.57PCh. 29 - Prob. 29.58PCh. 29 - 29.59 An octapeptide contains the following amino...Ch. 29 - 29.60 Draw the organic products formed in each...Ch. 29 - Draw all the steps in the synthesis of each...Ch. 29 - 29.62 Write out the steps for the synthesis of...Ch. 29 - 29.63 Besides the Boc and Fmoc protecting groups...Ch. 29 - 29.64 Another method to form a peptide bond...Ch. 29 - 29.65 Draw the mechanism for the reaction that...Ch. 29 - 29.66 Which of the following amino acids are...Ch. 29 - 29.67 After the peptide chain of collagen has been...Ch. 29 - Prob. 29.68PCh. 29 - Prob. 29.69PCh. 29 - 29.70 The anti-obesity drug orlistat works by...Ch. 29 - Prob. 29.71P
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- The following compound is an intermediate in the biosynthesis of one of the 20 common -amino acids. Which one is it likely to be, and what kind of chemical change must take place to complete the biosynthesis?arrow_forwardWhich amino acids could be referred to as derivatives of butanoic acid?arrow_forwardwhich amino acids has a side chain that can serve as a hydrogen bond donor but not acceptor in its predominant form at pH7arrow_forward
- Draw the predominant form the arginine amino acids at physiological pH (7.4):arrow_forwardDraw all ionic structures for an amino acid under acidic and basic conditions, and identify the zwitterion.arrow_forwardVancomycin is made up of a peptide chain consisting of seven amino acids and there are 3 phenyl glycine,2 chlorinated tyrosine, aspartic acid, and N-methyl leucine. Locate and label itarrow_forward
- Write the complete structures for the following peptides. Tell whether each peptide is acidic, basic, or neutral.(a) methionylthreonine (b) threonylmethionine(c) arginylaspartyllysine (d) Glu-Cys-Glnarrow_forwardDraw out the peptide IYV and clearly label/identify all the Phi, Psi, and peptide bonds present in the peptide. Be sure to draw out the entire peptide and label the N- and C-termini. Which type of secondary structure would this peptide most likely take on (assuming it would take on a secondary structure)?.arrow_forwardUnder what condition will an amino acid have a pKa?arrow_forward
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