Tetrapeptide obtained when two molecules of Cys-Phe are joined by a disulfide bridge need to be drawn. Concept introduction: Disulfide linkages are formed when two thiol molecules undergo oxidation. In case of amino acids only cysteine has a thiol group in it. Therefore cysteine can involve in disulfide bridge formation. If the disulfide bridge is formed within the peptide a cyclic structure is obtained due to intermolecular oxidation of thiol. If the disulfide bridge is formed between two molecules of thiol, then the disulfide is formed due to intramolecular oxidation of thiol. The general scheme of forming disulfide linkages can be shown as, To draw : the tetrapeptide formed when Cys-Phe is joined by disulfide bridge.

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Answer 1

Question

Chapter 25.4, Problem 27CC

Interpretation Introduction

Interpretation:

Tetrapeptide obtained when two molecules of Cys-Phe are joined by a disulfide bridge need to be drawn.

Concept introduction:

Disulfide linkages are formed when two thiol molecules undergo oxidation. In case of amino acids only cysteine has a thiol group in it. Therefore cysteine can involve in disulfide bridge formation. If the disulfide bridge is formed within the peptide a cyclic structure is obtained due to intermolecular oxidation of thiol. If the disulfide bridge is formed between two molecules of thiol, then the disulfide is formed due to intramolecular oxidation of thiol. The general scheme of forming disulfide linkages can be shown as,

To draw: the tetrapeptide formed when Cys-Phe is joined by disulfide bridge.

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Answer 2

Question

Chapter 25.4, Problem 27CC

Interpretation Introduction

Interpretation:

Tetrapeptide obtained when two molecules of Cys-Phe are joined by a disulfide bridge need to be drawn.

Concept introduction:

Disulfide linkages are formed when two thiol molecules undergo oxidation. In case of amino acids only cysteine has a thiol group in it. Therefore cysteine can involve in disulfide bridge formation. If the disulfide bridge is formed within the peptide a cyclic structure is obtained due to intermolecular oxidation of thiol. If the disulfide bridge is formed between two molecules of thiol, then the disulfide is formed due to intramolecular oxidation of thiol. The general scheme of forming disulfide linkages can be shown as,

To draw: the tetrapeptide formed when Cys-Phe is joined by disulfide bridge.

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Answer 3

Question

Chapter 25.4, Problem 27CC

Interpretation Introduction

Interpretation:

Tetrapeptide obtained when two molecules of Cys-Phe are joined by a disulfide bridge need to be drawn.

Concept introduction:

Disulfide linkages are formed when two thiol molecules undergo oxidation. In case of amino acids only cysteine has a thiol group in it. Therefore cysteine can involve in disulfide bridge formation. If the disulfide bridge is formed within the peptide a cyclic structure is obtained due to intermolecular oxidation of thiol. If the disulfide bridge is formed between two molecules of thiol, then the disulfide is formed due to intramolecular oxidation of thiol. The general scheme of forming disulfide linkages can be shown as,

To draw: the tetrapeptide formed when Cys-Phe is joined by disulfide bridge.

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Answer 4

Question

Chapter 25.4, Problem 27CC

Interpretation Introduction

Interpretation:

Tetrapeptide obtained when two molecules of Cys-Phe are joined by a disulfide bridge need to be drawn.

Concept introduction:

Disulfide linkages are formed when two thiol molecules undergo oxidation. In case of amino acids only cysteine has a thiol group in it. Therefore cysteine can involve in disulfide bridge formation. If the disulfide bridge is formed within the peptide a cyclic structure is obtained due to intermolecular oxidation of thiol. If the disulfide bridge is formed between two molecules of thiol, then the disulfide is formed due to intramolecular oxidation of thiol. The general scheme of forming disulfide linkages can be shown as,

To draw: the tetrapeptide formed when Cys-Phe is joined by disulfide bridge.

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Answer 5

Chapter 25.4, Problem 27CC

Interpretation Introduction

Interpretation:

Tetrapeptide obtained when two molecules of Cys-Phe are joined by a disulfide bridge need to be drawn.

Concept introduction:

Disulfide linkages are formed when two thiol molecules undergo oxidation. In case of amino acids only cysteine has a thiol group in it. Therefore cysteine can involve in disulfide bridge formation. If the disulfide bridge is formed within the peptide a cyclic structure is obtained due to intermolecular oxidation of thiol. If the disulfide bridge is formed between two molecules of thiol, then the disulfide is formed due to intramolecular oxidation of thiol. The general scheme of forming disulfide linkages can be shown as,

To draw: the tetrapeptide formed when Cys-Phe is joined by disulfide bridge.

Answer 6

Chapter 25.4, Problem 27CC

Interpretation Introduction

Interpretation:

Tetrapeptide obtained when two molecules of Cys-Phe are joined by a disulfide bridge need to be drawn.

Concept introduction:

Disulfide linkages are formed when two thiol molecules undergo oxidation. In case of amino acids only cysteine has a thiol group in it. Therefore cysteine can involve in disulfide bridge formation. If the disulfide bridge is formed within the peptide a cyclic structure is obtained due to intermolecular oxidation of thiol. If the disulfide bridge is formed between two molecules of thiol, then the disulfide is formed due to intramolecular oxidation of thiol. The general scheme of forming disulfide linkages can be shown as,

To draw: the tetrapeptide formed when Cys-Phe is joined by disulfide bridge.

Answer 7

Chapter 25.4, Problem 27CC

Interpretation Introduction

Interpretation:

Tetrapeptide obtained when two molecules of Cys-Phe are joined by a disulfide bridge need to be drawn.

Concept introduction:

Disulfide linkages are formed when two thiol molecules undergo oxidation. In case of amino acids only cysteine has a thiol group in it. Therefore cysteine can involve in disulfide bridge formation. If the disulfide bridge is formed within the peptide a cyclic structure is obtained due to intermolecular oxidation of thiol. If the disulfide bridge is formed between two molecules of thiol, then the disulfide is formed due to intramolecular oxidation of thiol. The general scheme of forming disulfide linkages can be shown as,

To draw: the tetrapeptide formed when Cys-Phe is joined by disulfide bridge.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 25.2 - Prob. 1CC Ch. 25.2 - Prob. 2CC Ch. 25.2 - Prob. 3CC Ch. 25.2 - Prob. 1LTS Ch. 25.2 - Prob. 4PTS Ch. 25.2 - Prob. 5ATS Ch. 25.2 - Prob. 6ATS Ch. 25.2 - Prob. 7CC Ch. 25.2 - Prob. 8CC Ch. 25.2 - Prob. 9CC

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Chapter 25 Solutions