5th Edition

ISBN: 9781259963667

Author: SMITH

Publisher: MCG

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Textbook Question

Chapter 29, Problem 29.21P

(a) What products are formed when each peptide is treated with trypsin? (b) What products are formed when each peptide is treated with chymotrypsin?

[1] Gly–Ala–Phe–Leu–Lys–Ala

[2] Phe–Tyr–Gly–Cys–Arg–Ser

[3] Thr–Pro–Lys–Glu–His–Gly–Phe–Cys–Trp–Val–Val–Phe

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Chapter 29, Problem 29.20P

Chapter 29, Problem 29.22P

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A peptide has the sequence Glu–His–Trp–Ser–Gly–Leu–Arg–Pro–GlyGlu–His–Trp–Ser–Gly–Leu–Arg–Pro–Gly The p?a values for the peptide’s side chains, terminal amino groups, and carboxyl groups are provided in the table. Amino acid Amino pKa Carboxyl pKa Side‑chain pKa glutamate 9.609.60 2.342.34 4.254.25 histidine 9.179.17 1.821.82 6.006.00 tryptophan 9.399.39 2.382.38 serine 9.159.15 2.212.21 glycine 9.609.60 2.342.34 leucine 9.609.60 2.362.36 arginine 9.049.04 2.172.17 12.4812.48 proline 10.9610.96 1.991.99 Calculate the net charge of the molecule at pH 8

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Chapter 29 Solutions

PKG ORGANIC CHEMISTRY

Ch. 29 - Prob. 29.1P Ch. 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. 29.4P 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 - Problem 29.9 Draw the products of each...Ch. 29 - Prob. 29.10P

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(a) What products are formed when each peptide is treated with trypsin? (b) What products are formed when each peptide is treated with chymotrypsin? [1] Gly–Ala–Phe–Leu–Lys–Ala [2] Phe–Tyr–Gly–Cys–Arg–Ser [3] Thr–Pro–Lys–Glu–His–Gly–Phe–Cys–Trp–Val–Val–Phe

Solution Summary: The author explains the chemical compounds in which carbon is bonded with acidic and basic group along with hydrocarbon side chain are known as amino acids.

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Chapter 29 Solutions