(a) Interpretation: The digestion of octapeptide AVGWRVKS with trypsin. The most suitable method for separation of the products between ion-exchange or gel-filtration chromatography should be determined. Concept introduction: A peptide bond is present between the two amino acids in a protein. During the formation of a peptide bond, a molecule of water is released. The amino group of an amino acid gets associated with the carboxyl group of another. Polypeptides and proteins are the chains formed by the amino acids.

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Answer 1

Question

Chapter 3, Problem 12P

Interpretation Introduction

(a)

Interpretation:

The digestion of octapeptide AVGWRVKS with trypsin. The most suitable method for separation of the products between ion-exchange or gel-filtration chromatography should be determined.

Concept introduction:

A peptide bond is present between the two amino acids in a protein. During the formation of a peptide bond, a molecule of water is released. The amino group of an amino acid gets associated with the carboxyl group of another. Polypeptides and proteins are the chains formed by the amino acids.

Interpretation Introduction

(b)

Interpretation:

If the protein was digested with chymotrypsin. The optimal separation method should be explained.

Concept introduction:

A peptide bond is present between the two amino acids in a protein. During the formation of a peptide bond, a molecule of water is released. The amino group of an amino acid gets associated with the carboxyl group of another. Polypeptides and proteins are the chains formed by the amino acids.

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Please help with this Mass Spectrometry Question. Thank you For the mass spec. shown in the attached image, please determine and give the amino acid sequence of the pentapeptide. Show which end is the amino terminus and which is the carboxy terminus. How does one arrive at the solution?

Draw a tripeptide of your choosing at pH 7. Have the N-terminus on the left and the C-terminus on the right. Then: Draw a triangle around the α-carbons. Draw a box around the R-groups. Circle the atoms capable of hydrogen bonding. Highlight the atoms involved in the formation of the peptide bonds. What type of structure have you drawn? (primary, secondary, tertiary or quaternary protein structure).

2. For the flow of fluid over a flat membrane of length 10cm, determine the length-average mass transfer coefficient. The relevant properties of the system are u=0.01cm²/s, D=5 x 106 cm²/s, and v = 5.0 cm/s.

Answer 2

Question

Chapter 3, Problem 12P

Interpretation Introduction

(a)

Interpretation:

The digestion of octapeptide AVGWRVKS with trypsin. The most suitable method for separation of the products between ion-exchange or gel-filtration chromatography should be determined.

Concept introduction:

A peptide bond is present between the two amino acids in a protein. During the formation of a peptide bond, a molecule of water is released. The amino group of an amino acid gets associated with the carboxyl group of another. Polypeptides and proteins are the chains formed by the amino acids.

Interpretation Introduction

(b)

Interpretation:

If the protein was digested with chymotrypsin. The optimal separation method should be explained.

Concept introduction:

A peptide bond is present between the two amino acids in a protein. During the formation of a peptide bond, a molecule of water is released. The amino group of an amino acid gets associated with the carboxyl group of another. Polypeptides and proteins are the chains formed by the amino acids.

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Answer 3

Question

Chapter 3, Problem 12P

Interpretation Introduction

(a)

Interpretation:

The digestion of octapeptide AVGWRVKS with trypsin. The most suitable method for separation of the products between ion-exchange or gel-filtration chromatography should be determined.

Concept introduction:

A peptide bond is present between the two amino acids in a protein. During the formation of a peptide bond, a molecule of water is released. The amino group of an amino acid gets associated with the carboxyl group of another. Polypeptides and proteins are the chains formed by the amino acids.

Interpretation Introduction

(b)

Interpretation:

If the protein was digested with chymotrypsin. The optimal separation method should be explained.

Concept introduction:

A peptide bond is present between the two amino acids in a protein. During the formation of a peptide bond, a molecule of water is released. The amino group of an amino acid gets associated with the carboxyl group of another. Polypeptides and proteins are the chains formed by the amino acids.

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Answer 4

Question

Chapter 3, Problem 12P

Interpretation Introduction

(a)

Interpretation:

The digestion of octapeptide AVGWRVKS with trypsin. The most suitable method for separation of the products between ion-exchange or gel-filtration chromatography should be determined.

Concept introduction:

A peptide bond is present between the two amino acids in a protein. During the formation of a peptide bond, a molecule of water is released. The amino group of an amino acid gets associated with the carboxyl group of another. Polypeptides and proteins are the chains formed by the amino acids.

Interpretation Introduction

(b)

Interpretation:

If the protein was digested with chymotrypsin. The optimal separation method should be explained.

Concept introduction:

A peptide bond is present between the two amino acids in a protein. During the formation of a peptide bond, a molecule of water is released. The amino group of an amino acid gets associated with the carboxyl group of another. Polypeptides and proteins are the chains formed by the amino acids.

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Answer 5

Chapter 3, Problem 12P

Interpretation Introduction

(a)

Interpretation:

The digestion of octapeptide AVGWRVKS with trypsin. The most suitable method for separation of the products between ion-exchange or gel-filtration chromatography should be determined.

Concept introduction:

A peptide bond is present between the two amino acids in a protein. During the formation of a peptide bond, a molecule of water is released. The amino group of an amino acid gets associated with the carboxyl group of another. Polypeptides and proteins are the chains formed by the amino acids.

Interpretation Introduction

(b)

Interpretation:

If the protein was digested with chymotrypsin. The optimal separation method should be explained.

Concept introduction:

A peptide bond is present between the two amino acids in a protein. During the formation of a peptide bond, a molecule of water is released. The amino group of an amino acid gets associated with the carboxyl group of another. Polypeptides and proteins are the chains formed by the amino acids.

Answer 6

Chapter 3, Problem 12P

Interpretation Introduction

(a)

Interpretation:

The digestion of octapeptide AVGWRVKS with trypsin. The most suitable method for separation of the products between ion-exchange or gel-filtration chromatography should be determined.

Concept introduction:

A peptide bond is present between the two amino acids in a protein. During the formation of a peptide bond, a molecule of water is released. The amino group of an amino acid gets associated with the carboxyl group of another. Polypeptides and proteins are the chains formed by the amino acids.

Answer 7

Chapter 3, Problem 12P

Interpretation Introduction

(a)

Interpretation:

The digestion of octapeptide AVGWRVKS with trypsin. The most suitable method for separation of the products between ion-exchange or gel-filtration chromatography should be determined.

Concept introduction:

A peptide bond is present between the two amino acids in a protein. During the formation of a peptide bond, a molecule of water is released. The amino group of an amino acid gets associated with the carboxyl group of another. Polypeptides and proteins are the chains formed by the amino acids.

Answer 8

Interpretation Introduction

(b)

Interpretation:

If the protein was digested with chymotrypsin. The optimal separation method should be explained.

Concept introduction:

A peptide bond is present between the two amino acids in a protein. During the formation of a peptide bond, a molecule of water is released. The amino group of an amino acid gets associated with the carboxyl group of another. Polypeptides and proteins are the chains formed by the amino acids.

Answer 9

Interpretation Introduction

(b)

Interpretation:

If the protein was digested with chymotrypsin. The optimal separation method should be explained.

Concept introduction:

A peptide bond is present between the two amino acids in a protein. During the formation of a peptide bond, a molecule of water is released. The amino group of an amino acid gets associated with the carboxyl group of another. Polypeptides and proteins are the chains formed by the amino acids.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 3 - Prob. 1P Ch. 3 - Prob. 2P Ch. 3 - Prob. 3P Ch. 3 - Prob. 4P Ch. 3 - Prob. 5P Ch. 3 - Prob. 6P Ch. 3 - Prob. 7P Ch. 3 - Prob. 8P Ch. 3 - Prob. 9P Ch. 3 - Prob. 10P

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