Answer the following questions based on these five protein sequences.

A). Val-Asn-Thr-Ala-Ile-Gln-Asp-Leu-Asp-Gln-Ile-Met-

   
B). Glu-Asn-Asp-Arg-Thr-Glu-Lys-Asn-Gln-Asp-Arg-Glu-

   
C). Ala-Gln-Ile-Val-Ala-Ser-Gly-Pro-Gln-Phe-Ala-Asp-Asn-

   
D). Leu-Gln-Phe-Arg-Met-Glu-Phe-Lys-Leu-Ans-Val-Asp-Ile-

   
E). Ala-Gly-Pro-Phe-Gly-Pro-Asp-Gly-Pro-Tyr-Gly-Pro-

1.   
Which sequence would most likely include a β turn (reverse turn)?

2.   
Which sequence looks as if it could form a β strand, with one surface facing the interior of the protein, and the other surface exposed to water?

3.   
Which sequence is not amphipathic ?

4.   
Which sequence would most likely form an amphipathic α-helix? (Use a helical wheel to help)

5.   
Which sequence would most likely likely to be found in a collagen molecule?