Mastering Ramachandran Plots
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Questions and Answers

Which of the following best describes a Ramachandran plot?

  • A diagram of the amino acid sequence in a protein
  • A way to visualize energetically allowed regions for backbone dihedral angles in protein structure (correct)
  • A plot showing the locations of hydrogen bonds in a protein
  • A diagram of the secondary structure of a protein
  • What is the purpose of a Ramachandran plot?

  • To determine the secondary structure of a protein
  • To visualize the locations of hydrogen bonds in a protein
  • To identify the amino acid sequence in a protein
  • To visualize energetically allowed regions for backbone dihedral angles in a protein structure (correct)
  • What are the backbone dihedral angles represented on a Ramachandran plot?

  • ψ and ω angles
  • φ and ψ angles (correct)
  • φ and ω angles
  • φ' and ψ angles
  • What is the significance of the ω angle in a peptide bond?

    <p>It keeps the peptide bond planar</p> Signup and view all the answers

    Why do the edges of the Ramachandran plot 'wrap' right-to-left and bottom-to-top?

    <p>To accommodate for the circular nature of dihedral angle values</p> Signup and view all the answers

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