The helix with respect to handedness from the Ramachandran plot needs to be described. Concept introduction: Ramachandran plot was developed in the year 1963. The amino acid residues in present in the protein structure are represented by the plot using the dihedral angles psi and phi. In this plot, the lower left and upper right quadrant represent residues in helical conformation.

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Answer 1

Question

Chapter 6, Problem 1P

Interpretation Introduction

Interpretation:

The helix with respect to handedness from the Ramachandran plot needs to be described.

Concept introduction:

Ramachandran plot was developed in the year 1963. The amino acid residues in present in the protein structure are represented by the plot using the dihedral angles psi and phi. In this plot, the lower left and upper right quadrant represent residues in helical conformation.

Expert Solution & Answer

Explanation of Solution

As per the figure, there is left handed alpha helix on the upper right and the right-handed helix on the lower left quadrant. The φ has C − N − C_a − C bonds while Ψ has N − C_a − C − N bonds. In φ, the rotation takes place at N − C_a and in Ψ, the rotation occurs at C_a − C bond.

The Ramachandran plot is as below:

Biochemistry: Concepts and Connections (2nd Edition), Chapter 6, Problem 1P , additional homework tip 1

The alpha helix observed is likely to be explained by the dihedral angle φ which is -80° and Ψ is +150°, this represents many glycine residues. Therefore, the common observation here in the given plot is that the alpha helix is left handed.

Biochemistry: Concepts and Connections (2nd Edition), Chapter 6, Problem 1P , additional homework tip 2

The residues number is 3.6 and for every residue, the translation distance is 0.150.

Thus, the alpha helix is left handed.

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Answer 2

Question

Chapter 6, Problem 1P

Interpretation Introduction

Interpretation:

The helix with respect to handedness from the Ramachandran plot needs to be described.

Concept introduction:

Ramachandran plot was developed in the year 1963. The amino acid residues in present in the protein structure are represented by the plot using the dihedral angles psi and phi. In this plot, the lower left and upper right quadrant represent residues in helical conformation.

Expert Solution & Answer

Explanation of Solution

As per the figure, there is left handed alpha helix on the upper right and the right-handed helix on the lower left quadrant. The φ has C − N − C_a − C bonds while Ψ has N − C_a − C − N bonds. In φ, the rotation takes place at N − C_a and in Ψ, the rotation occurs at C_a − C bond.

The Ramachandran plot is as below:

Biochemistry: Concepts and Connections (2nd Edition), Chapter 6, Problem 1P , additional homework tip 1

The alpha helix observed is likely to be explained by the dihedral angle φ which is -80° and Ψ is +150°, this represents many glycine residues. Therefore, the common observation here in the given plot is that the alpha helix is left handed.

Biochemistry: Concepts and Connections (2nd Edition), Chapter 6, Problem 1P , additional homework tip 2

The residues number is 3.6 and for every residue, the translation distance is 0.150.

Thus, the alpha helix is left handed.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 3

Question

Chapter 6, Problem 1P

Interpretation Introduction

Interpretation:

The helix with respect to handedness from the Ramachandran plot needs to be described.

Concept introduction:

Ramachandran plot was developed in the year 1963. The amino acid residues in present in the protein structure are represented by the plot using the dihedral angles psi and phi. In this plot, the lower left and upper right quadrant represent residues in helical conformation.

Expert Solution & Answer

Explanation of Solution

As per the figure, there is left handed alpha helix on the upper right and the right-handed helix on the lower left quadrant. The φ has C − N − C_a − C bonds while Ψ has N − C_a − C − N bonds. In φ, the rotation takes place at N − C_a and in Ψ, the rotation occurs at C_a − C bond.

The Ramachandran plot is as below:

Biochemistry: Concepts and Connections (2nd Edition), Chapter 6, Problem 1P , additional homework tip 1

The alpha helix observed is likely to be explained by the dihedral angle φ which is -80° and Ψ is +150°, this represents many glycine residues. Therefore, the common observation here in the given plot is that the alpha helix is left handed.

Biochemistry: Concepts and Connections (2nd Edition), Chapter 6, Problem 1P , additional homework tip 2

The residues number is 3.6 and for every residue, the translation distance is 0.150.

Thus, the alpha helix is left handed.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Question

Chapter 6, Problem 1P

Interpretation Introduction

Interpretation:

The helix with respect to handedness from the Ramachandran plot needs to be described.

Concept introduction:

Ramachandran plot was developed in the year 1963. The amino acid residues in present in the protein structure are represented by the plot using the dihedral angles psi and phi. In this plot, the lower left and upper right quadrant represent residues in helical conformation.

Expert Solution & Answer

Explanation of Solution

As per the figure, there is left handed alpha helix on the upper right and the right-handed helix on the lower left quadrant. The φ has C − N − C_a − C bonds while Ψ has N − C_a − C − N bonds. In φ, the rotation takes place at N − C_a and in Ψ, the rotation occurs at C_a − C bond.

The Ramachandran plot is as below:

Biochemistry: Concepts and Connections (2nd Edition), Chapter 6, Problem 1P , additional homework tip 1

The alpha helix observed is likely to be explained by the dihedral angle φ which is -80° and Ψ is +150°, this represents many glycine residues. Therefore, the common observation here in the given plot is that the alpha helix is left handed.

Biochemistry: Concepts and Connections (2nd Edition), Chapter 6, Problem 1P , additional homework tip 2

The residues number is 3.6 and for every residue, the translation distance is 0.150.

Thus, the alpha helix is left handed.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Chapter 6, Problem 1P

Interpretation Introduction

Interpretation:

The helix with respect to handedness from the Ramachandran plot needs to be described.

Concept introduction:

Ramachandran plot was developed in the year 1963. The amino acid residues in present in the protein structure are represented by the plot using the dihedral angles psi and phi. In this plot, the lower left and upper right quadrant represent residues in helical conformation.

Expert Solution & Answer

Explanation of Solution

As per the figure, there is left handed alpha helix on the upper right and the right-handed helix on the lower left quadrant. The φ has C − N − C_a − C bonds while Ψ has N − C_a − C − N bonds. In φ, the rotation takes place at N − C_a and in Ψ, the rotation occurs at C_a − C bond.

The Ramachandran plot is as below:

Biochemistry: Concepts and Connections (2nd Edition), Chapter 6, Problem 1P , additional homework tip 1

The alpha helix observed is likely to be explained by the dihedral angle φ which is -80° and Ψ is +150°, this represents many glycine residues. Therefore, the common observation here in the given plot is that the alpha helix is left handed.

Biochemistry: Concepts and Connections (2nd Edition), Chapter 6, Problem 1P , additional homework tip 2

The residues number is 3.6 and for every residue, the translation distance is 0.150.

Thus, the alpha helix is left handed.

Answer 6

Chapter 6, Problem 1P

Interpretation Introduction

Interpretation:

The helix with respect to handedness from the Ramachandran plot needs to be described.

Concept introduction:

Ramachandran plot was developed in the year 1963. The amino acid residues in present in the protein structure are represented by the plot using the dihedral angles psi and phi. In this plot, the lower left and upper right quadrant represent residues in helical conformation.

Expert Solution & Answer

Explanation of Solution

As per the figure, there is left handed alpha helix on the upper right and the right-handed helix on the lower left quadrant. The φ has C − N − C_a − C bonds while Ψ has N − C_a − C − N bonds. In φ, the rotation takes place at N − C_a and in Ψ, the rotation occurs at C_a − C bond.

The Ramachandran plot is as below:

Biochemistry: Concepts and Connections (2nd Edition), Chapter 6, Problem 1P , additional homework tip 1

The alpha helix observed is likely to be explained by the dihedral angle φ which is -80° and Ψ is +150°, this represents many glycine residues. Therefore, the common observation here in the given plot is that the alpha helix is left handed.

Biochemistry: Concepts and Connections (2nd Edition), Chapter 6, Problem 1P , additional homework tip 2

The residues number is 3.6 and for every residue, the translation distance is 0.150.

Thus, the alpha helix is left handed.

Answer 7

Chapter 6, Problem 1P

Interpretation Introduction

Interpretation:

The helix with respect to handedness from the Ramachandran plot needs to be described.

Concept introduction:

Ramachandran plot was developed in the year 1963. The amino acid residues in present in the protein structure are represented by the plot using the dihedral angles psi and phi. In this plot, the lower left and upper right quadrant represent residues in helical conformation.

Answer 8

Expert Solution & Answer

Explanation of Solution

As per the figure, there is left handed alpha helix on the upper right and the right-handed helix on the lower left quadrant. The φ has C − N − C_a − C bonds while Ψ has N − C_a − C − N bonds. In φ, the rotation takes place at N − C_a and in Ψ, the rotation occurs at C_a − C bond.

The Ramachandran plot is as below:

Biochemistry: Concepts and Connections (2nd Edition), Chapter 6, Problem 1P , additional homework tip 1

The alpha helix observed is likely to be explained by the dihedral angle φ which is -80° and Ψ is +150°, this represents many glycine residues. Therefore, the common observation here in the given plot is that the alpha helix is left handed.

Biochemistry: Concepts and Connections (2nd Edition), Chapter 6, Problem 1P , additional homework tip 2

The residues number is 3.6 and for every residue, the translation distance is 0.150.

Thus, the alpha helix is left handed.