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Question Set Six

(a) The hydrogen bonds that stabilise alpha-helices occur between which atoms of the peptide backbone?

HINT : Display the alpha helix as 'Ball and Stick' with hbonds on. Use the mouse to determine the atoms involved in hydrogen bonding.
(b) Approximately how many hydrogen bonds are there per turn of helix?

(c) Where are the side-chains of those amino acids comprising the helix located relative to the helix?

Press the 'CHECK ANSWERS' button to find out if your answers are correct.

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