1. a. Consider the following sequences, which are pieces of a larger, independently folding polypeptide. Which...

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Biology

1. a. Consider the following sequences, which are pieces of alarger, independently folding polypeptide. Which sequence is morelikely to form an alpha helix, and which is more likely to form abeta-hairpinâ€”a two-stranded antiparallel beta-sheet in which thestrands are separated by a turn?
Sequence A: I F I C T T G P N A T V I CV F V
Sequence B: M D R L M E A M A K L D H LL A E
b. How do the structures of the residues I, V, and Tversus L and M contribute to the conformationalpreferences of these two sequences?
c. Which residues likely form the turn between the stands in thebeta-hairpin? Why are these residues suited for this structure?

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4.5 Ratings (604 Votes)

a Sequence A is more likely to form betahairpin secondary structure due to certain residues such as I V T G P Sequence B is more likely to form alpha helix secondary structure b See Answer

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