Look at the models of the protein in Figure 411. Is the red helix right- or

Look at the models of the protein in Figure 4−11. Is the red α helix right- or left-handed? Are the three strands that form the large β sheet parallel or antiparallel? Starting at the N-terminus (the purple end), trace your finger along the peptide backbone. Are there any knots? Why, or why not?

Figure 4−11

Transcribed Image Text:

(A) backbone model (B) ribbon model