The chains in the three-dimensional model correspond to the antibody fragment, and which correspond to the antigen, lysozyme. Introduction : Antibodies are the Y-shaped proteins which provide immunity to the body by neutralizing antigens such as bacteria and viruses. They are also known as immunoglobulins. On the other hand, an antigen is a foreign particle that induces the production of antibodies. These protein structures are the three-dimensional arrangement of atoms in a peptide chain.

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Answer 1

Question

Chapter 5, Problem 16BO

(a)

Summary Introduction

To determine: The chains in the three-dimensional model correspond to the antibody fragment, and which correspond to the antigen, lysozyme.

Introduction:

Antibodies are the Y-shaped proteins which provide immunity to the body by neutralizing antigens such as bacteria and viruses. They are also known as immunoglobulins. On the other hand, an antigen is a foreign particle that induces the production of antibodies. These protein structures are the three-dimensional arrangement of atoms in a peptide chain.

(b)

Summary Introduction

To determine: The type of secondary structure that predominates in the Fab fragment.

Introduction:

An antibody is divided into two regions, Fab (antigen-binding) fragment and Fc (crystallizable) fragment. Fab fragment is a portion of an antibody molecule that binds to the antigen molecule.

(c)

Summary Introduction

To determine: The number of amino acid residues in the heavy and light chains of the Fab fragmentand also estimate the percentage of the lysozyme that interacts with the antigen binding site of the antibody fragments.

Introduction:

An antibody has a Y-shaped structure which is formed by the association of heavy and light chain. Both the chains contain an amino-terminal at the Fab portion, and a carboxy terminal at the Fc portion.

(d)

Summary Introduction

To determine: The specific amino acid residues in lysozyme and in variable regions of the Fab heavy and light chains that are situated at the antigen-antibody interface. Also determine whether the amino acid residues are contiguous in the primary sequence of the polypeptide chains.

Introduction:

Amino acid residue is the fundamental unit of a protein. Two or three amino acid residues are bonded together by peptide bond to form a peptide. A long chain of peptides called a polypeptide is linked through the peptide bonds resulting in a specific protein molecule.

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You’ve isolated a protein and determined that the Native molecular weight of the holoenzyme is 160 kD using size exclusion chromatography. Analysis of this protein using SDS-PAGE revealed 2 bands, one at 100 kD and one at 30 kD. The enzyme was found to be 0.829% NAD (by weight). What further can be said regarding the structure of the polypeptide?

Answer 2

Question

Chapter 5, Problem 16BO

(a)

Summary Introduction

To determine: The chains in the three-dimensional model correspond to the antibody fragment, and which correspond to the antigen, lysozyme.

Introduction:

Antibodies are the Y-shaped proteins which provide immunity to the body by neutralizing antigens such as bacteria and viruses. They are also known as immunoglobulins. On the other hand, an antigen is a foreign particle that induces the production of antibodies. These protein structures are the three-dimensional arrangement of atoms in a peptide chain.

(b)

Summary Introduction

To determine: The type of secondary structure that predominates in the Fab fragment.

Introduction:

An antibody is divided into two regions, Fab (antigen-binding) fragment and Fc (crystallizable) fragment. Fab fragment is a portion of an antibody molecule that binds to the antigen molecule.

(c)

Summary Introduction

To determine: The number of amino acid residues in the heavy and light chains of the Fab fragmentand also estimate the percentage of the lysozyme that interacts with the antigen binding site of the antibody fragments.

Introduction:

An antibody has a Y-shaped structure which is formed by the association of heavy and light chain. Both the chains contain an amino-terminal at the Fab portion, and a carboxy terminal at the Fc portion.

(d)

Summary Introduction

To determine: The specific amino acid residues in lysozyme and in variable regions of the Fab heavy and light chains that are situated at the antigen-antibody interface. Also determine whether the amino acid residues are contiguous in the primary sequence of the polypeptide chains.

Introduction:

Amino acid residue is the fundamental unit of a protein. Two or three amino acid residues are bonded together by peptide bond to form a peptide. A long chain of peptides called a polypeptide is linked through the peptide bonds resulting in a specific protein molecule.

Expert Solution & Answer

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See solution

Answer 3

Question

Chapter 5, Problem 16BO

(a)

Summary Introduction

To determine: The chains in the three-dimensional model correspond to the antibody fragment, and which correspond to the antigen, lysozyme.

Introduction:

Antibodies are the Y-shaped proteins which provide immunity to the body by neutralizing antigens such as bacteria and viruses. They are also known as immunoglobulins. On the other hand, an antigen is a foreign particle that induces the production of antibodies. These protein structures are the three-dimensional arrangement of atoms in a peptide chain.

(b)

Summary Introduction

To determine: The type of secondary structure that predominates in the Fab fragment.

Introduction:

An antibody is divided into two regions, Fab (antigen-binding) fragment and Fc (crystallizable) fragment. Fab fragment is a portion of an antibody molecule that binds to the antigen molecule.

(c)

Summary Introduction

To determine: The number of amino acid residues in the heavy and light chains of the Fab fragmentand also estimate the percentage of the lysozyme that interacts with the antigen binding site of the antibody fragments.

Introduction:

An antibody has a Y-shaped structure which is formed by the association of heavy and light chain. Both the chains contain an amino-terminal at the Fab portion, and a carboxy terminal at the Fc portion.

(d)

Summary Introduction

To determine: The specific amino acid residues in lysozyme and in variable regions of the Fab heavy and light chains that are situated at the antigen-antibody interface. Also determine whether the amino acid residues are contiguous in the primary sequence of the polypeptide chains.

Introduction:

Amino acid residue is the fundamental unit of a protein. Two or three amino acid residues are bonded together by peptide bond to form a peptide. A long chain of peptides called a polypeptide is linked through the peptide bonds resulting in a specific protein molecule.

Expert Solution & Answer

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See solution

Answer 4

Question

Chapter 5, Problem 16BO

(a)

Summary Introduction

To determine: The chains in the three-dimensional model correspond to the antibody fragment, and which correspond to the antigen, lysozyme.

Introduction:

Antibodies are the Y-shaped proteins which provide immunity to the body by neutralizing antigens such as bacteria and viruses. They are also known as immunoglobulins. On the other hand, an antigen is a foreign particle that induces the production of antibodies. These protein structures are the three-dimensional arrangement of atoms in a peptide chain.

(b)

Summary Introduction

To determine: The type of secondary structure that predominates in the Fab fragment.

Introduction:

An antibody is divided into two regions, Fab (antigen-binding) fragment and Fc (crystallizable) fragment. Fab fragment is a portion of an antibody molecule that binds to the antigen molecule.

(c)

Summary Introduction

To determine: The number of amino acid residues in the heavy and light chains of the Fab fragmentand also estimate the percentage of the lysozyme that interacts with the antigen binding site of the antibody fragments.

Introduction:

An antibody has a Y-shaped structure which is formed by the association of heavy and light chain. Both the chains contain an amino-terminal at the Fab portion, and a carboxy terminal at the Fc portion.

(d)

Summary Introduction

To determine: The specific amino acid residues in lysozyme and in variable regions of the Fab heavy and light chains that are situated at the antigen-antibody interface. Also determine whether the amino acid residues are contiguous in the primary sequence of the polypeptide chains.

Introduction:

Amino acid residue is the fundamental unit of a protein. Two or three amino acid residues are bonded together by peptide bond to form a peptide. A long chain of peptides called a polypeptide is linked through the peptide bonds resulting in a specific protein molecule.

Expert Solution & Answer

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See solution

Answer 5

Chapter 5, Problem 16BO

(a)

Summary Introduction

To determine: The chains in the three-dimensional model correspond to the antibody fragment, and which correspond to the antigen, lysozyme.

Introduction:

Antibodies are the Y-shaped proteins which provide immunity to the body by neutralizing antigens such as bacteria and viruses. They are also known as immunoglobulins. On the other hand, an antigen is a foreign particle that induces the production of antibodies. These protein structures are the three-dimensional arrangement of atoms in a peptide chain.

(b)

Summary Introduction

To determine: The type of secondary structure that predominates in the Fab fragment.

Introduction:

An antibody is divided into two regions, Fab (antigen-binding) fragment and Fc (crystallizable) fragment. Fab fragment is a portion of an antibody molecule that binds to the antigen molecule.

(c)

Summary Introduction

To determine: The number of amino acid residues in the heavy and light chains of the Fab fragmentand also estimate the percentage of the lysozyme that interacts with the antigen binding site of the antibody fragments.

Introduction:

An antibody has a Y-shaped structure which is formed by the association of heavy and light chain. Both the chains contain an amino-terminal at the Fab portion, and a carboxy terminal at the Fc portion.

(d)

Summary Introduction

To determine: The specific amino acid residues in lysozyme and in variable regions of the Fab heavy and light chains that are situated at the antigen-antibody interface. Also determine whether the amino acid residues are contiguous in the primary sequence of the polypeptide chains.

Introduction:

Amino acid residue is the fundamental unit of a protein. Two or three amino acid residues are bonded together by peptide bond to form a peptide. A long chain of peptides called a polypeptide is linked through the peptide bonds resulting in a specific protein molecule.

Answer 6

Chapter 5, Problem 16BO

(a)

Summary Introduction

To determine: The chains in the three-dimensional model correspond to the antibody fragment, and which correspond to the antigen, lysozyme.

Introduction:

Antibodies are the Y-shaped proteins which provide immunity to the body by neutralizing antigens such as bacteria and viruses. They are also known as immunoglobulins. On the other hand, an antigen is a foreign particle that induces the production of antibodies. These protein structures are the three-dimensional arrangement of atoms in a peptide chain.

Answer 7

Chapter 5, Problem 16BO

(a)

Summary Introduction

To determine: The chains in the three-dimensional model correspond to the antibody fragment, and which correspond to the antigen, lysozyme.

Introduction:

Antibodies are the Y-shaped proteins which provide immunity to the body by neutralizing antigens such as bacteria and viruses. They are also known as immunoglobulins. On the other hand, an antigen is a foreign particle that induces the production of antibodies. These protein structures are the three-dimensional arrangement of atoms in a peptide chain.

Answer 8

(b)

Summary Introduction

To determine: The type of secondary structure that predominates in the Fab fragment.

Introduction:

An antibody is divided into two regions, Fab (antigen-binding) fragment and Fc (crystallizable) fragment. Fab fragment is a portion of an antibody molecule that binds to the antigen molecule.

Answer 9

(b)

Summary Introduction

To determine: The type of secondary structure that predominates in the Fab fragment.

Introduction:

An antibody is divided into two regions, Fab (antigen-binding) fragment and Fc (crystallizable) fragment. Fab fragment is a portion of an antibody molecule that binds to the antigen molecule.

Answer 10

(c)

Summary Introduction

To determine: The number of amino acid residues in the heavy and light chains of the Fab fragmentand also estimate the percentage of the lysozyme that interacts with the antigen binding site of the antibody fragments.

Introduction:

An antibody has a Y-shaped structure which is formed by the association of heavy and light chain. Both the chains contain an amino-terminal at the Fab portion, and a carboxy terminal at the Fc portion.

Answer 11

(c)

Summary Introduction

To determine: The number of amino acid residues in the heavy and light chains of the Fab fragmentand also estimate the percentage of the lysozyme that interacts with the antigen binding site of the antibody fragments.

Introduction:

An antibody has a Y-shaped structure which is formed by the association of heavy and light chain. Both the chains contain an amino-terminal at the Fab portion, and a carboxy terminal at the Fc portion.

Answer 12

(d)

Summary Introduction

To determine: The specific amino acid residues in lysozyme and in variable regions of the Fab heavy and light chains that are situated at the antigen-antibody interface. Also determine whether the amino acid residues are contiguous in the primary sequence of the polypeptide chains.

Introduction:

Amino acid residue is the fundamental unit of a protein. Two or three amino acid residues are bonded together by peptide bond to form a peptide. A long chain of peptides called a polypeptide is linked through the peptide bonds resulting in a specific protein molecule.

Answer 13

(d)

Summary Introduction

To determine: The specific amino acid residues in lysozyme and in variable regions of the Fab heavy and light chains that are situated at the antigen-antibody interface. Also determine whether the amino acid residues are contiguous in the primary sequence of the polypeptide chains.

Introduction:

Amino acid residue is the fundamental unit of a protein. Two or three amino acid residues are bonded together by peptide bond to form a peptide. A long chain of peptides called a polypeptide is linked through the peptide bonds resulting in a specific protein molecule.

Answer 14

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Answer 15

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Answer 16

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Answer 17

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

Concept explainers

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To determine: The type of secondary structure that predominates in the Fab fragment.

Introduction:

An antibody is divided into two regions, Fab (antigen-binding) fragment and Fc (crystallizable) fragment. Fab fragment is a portion of an antibody molecule that binds to the antigen molecule.

Want to see the full answer?

Chapter 5 Solutions

Concept explainers

Videos

To determine: The type of secondary structure that predominates in the Fab fragment. Introduction: An antibody is divided into two regions, Fab (antigen-binding) fragment and Fc (crystallizable) fragment. Fab fragment is a portion of an antibody molecule that binds to the antigen molecule.

Want to see the full answer?

Chapter 5 Solutions

To determine: The type of secondary structure that predominates in the Fab fragment.

Introduction:

An antibody is divided into two regions, Fab (antigen-binding) fragment and Fc (crystallizable) fragment. Fab fragment is a portion of an antibody molecule that binds to the antigen molecule.