Essential Organic Chemistry (3rd Edition)
3rd Edition
ISBN: 9780321937711
Author: Paula Yurkanis Bruice
Publisher: PEARSON
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Textbook Question
Chapter 17.4, Problem 7P
Calculate the pI of each of the following amino acids:
- a. asparagine
- b. Arginine
- c. Serine
- d. aspartate
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Draw the predominant form the lysine amino acids at physiological pH (7.4):
a) Using condensed structural diagrams, draw the polypeptide that is formed from the following amino acids (in this order): Leucine, Methionine, Phenylalanine
b) On your diagram from a), label each peptide bond, the C-terminal and N-terminal
a) Using condensed structural diagrams, draw the polypeptide that is formed from the following amino acids (in this order): Proline, Histidine, Arginine
b) On your diagram from a), label each peptide bond, the C-terminal and N-terminal
Chapter 17 Solutions
Essential Organic Chemistry (3rd Edition)
Ch. 17.1 - a. Explain why, when the imidazole ring of...Ch. 17.2 - Prob. 2PCh. 17.3 - Prob. 3PCh. 17.3 - Prob. 4PCh. 17.3 - Prob. 6PCh. 17.4 - Calculate the pI of each of the following amino...Ch. 17.4 - a. Which amino acid has the lowest pI value? b....Ch. 17.5 - What aldehyde is formed when valine is treated...Ch. 17.5 - Prob. 10PCh. 17.5 - Prob. 11P
Ch. 17.5 - Prob. 12PCh. 17.6 - Prob. 13PCh. 17.6 - What amino acid would be formed using the...Ch. 17.6 - What amino acid would be formed when the aldehyde...Ch. 17.7 - Pig liver esterase is an enzyme that catalyzes the...Ch. 17.8 - Prob. 17PCh. 17.8 - Prob. 18PCh. 17.8 - Prob. 19PCh. 17.8 - Prob. 20PCh. 17.10 - Prob. 21PCh. 17.10 - Prob. 22PCh. 17.10 - Why does cyanogen bromide not cleave on the C-side...Ch. 17.10 - Prob. 24PCh. 17.10 - Prob. 26PCh. 17.12 - Prob. 27PCh. 17.13 - a. Which would have the greatest percentage of...Ch. 17 - Draw the predominant form of the following amino...Ch. 17 - What is the pI of serine?Ch. 17 - Prob. 31PCh. 17 - Prob. 32PCh. 17 - Which would have a higher percentage of negative...Ch. 17 - Draw the form of aspartate that predominates at...Ch. 17 - Prob. 35PCh. 17 - A professor was preparing a manuscript for...Ch. 17 - a. Why is the pKa of the glutamate side chain...Ch. 17 - Prob. 38PCh. 17 - Determine the amino acid sequence of a polypeptide...Ch. 17 - Prob. 40PCh. 17 - Prob. 41PCh. 17 - Three peptides were obtained from a trypsin...Ch. 17 - Prob. 43PCh. 17 - After the polypeptide shown here was treated with...Ch. 17 - The disulfide bridges of a polypeptide were...Ch. 17 - -Amino acids can be prepared by treating an...Ch. 17 - Reaction of a polypeptide with carboxypeptidase A...Ch. 17 - Prob. 48PCh. 17 - Prob. 49PCh. 17 - Show how valine can be prepared by a. a Strecker...Ch. 17 - Prob. 51PCh. 17 - Why is proline never found in an -helix?Ch. 17 - Determine the amino acid sequence of a polypeptide...Ch. 17 - Prob. 55PCh. 17 - A chemist wanted to test his hypothesis that the...Ch. 17 - A normal polypeptide and a mutant of the...
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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_forwardExplain stereisomerism exist in ataraxarrow_forwardDraw the predominant form the arginine amino acids at physiological pH (7.4):arrow_forward
- you have a 11.5 mg sample of blood that contain various proteins. Hemoglobin is only protein containing Fe. Hemoglobin is 3.3% of compund C34H32FeN4O4. 11.5 mg blood sample contains 34.7 micrograms of Fe. What is mass % of hemoglobin in protein sample?arrow_forwardc)what is the pI of peptide?arrow_forwardQuestion 1. If acidic foods (like tomato) are added to milk, a. serum coagulates b. fat content increases C. casein coagulates d. The fat coagulates Question 2. The quaternary structure of the protein is due to: a. Aggregation of two or more polypeptide molecules b. Disulfide bonds in the peptide c. Hydrogen bridges within the peptide d. All are correctarrow_forward
- Aspartamen, which is commonly known as Nutrasweet contain the followin dipetide a. what are the amino acids in spartame b.circle the peptide bond c draw the structure of the isomer of the dipeptide where the C-terminal and N-terminal amino acids are switcharrow_forwardArginine and lysine side chains fit into trypsin’s binding pocket (Figure 22.5). One of these side chains forms a direct hydrogen bond with serine and an indirect hydrogen bond (mediated through a water molecule) with aspartate. The other side chain forms direct hydrogen bonds with both serine and aspartate. Which is which?arrow_forwardDraw the predominant form the histidine amino acids at physiological pH (7.4):arrow_forward
- What is the pi of argininearrow_forwardPlease consider the structural formula of the amino acid shown below when answering the following questions. Assume that the pKa values are as shown below. (A) determine the pI of this amino acid (B) draw the L-form of this amino acidarrow_forwardChemistry 1. how many amino acids is present in myosin (cite your sources) 2. Structure Characteristics/ Description (indicate for e()xample: amino acids number, type of secondary structure present such as alpha-helix or beta-pleated sheets) of myosin (cite your sources)arrow_forward
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Biomolecules - Protein - Amino acids; Author: Tutorials Point (India) Ltd.;https://www.youtube.com/watch?v=ySNVPDHJ0ek;License: Standard YouTube License, CC-BY