Concept #1: Beta Turns and Loops

Practice: Which of the following options contains a true statement about protein turns & loops?

Concept #2: Type I and Type II Beta Turns

Practice: In the peptide below, circle the individual amino acid residues indicating the most likely positions for β-turns:

Practice: Which of the following statements is true regarding β-turns?

Concept #3: Beta Turn Bond Angles

Practice: If the phi & psi angles of loop regions are plotted, where do they tend to fall on the Ramachandran plot below?

Practice: Which of the following statements is correct?