Here you will use the zipper model discussed in Impact I16.1 to explore the helix-coil transition in

Question:

Here you will use the zipper model discussed in Impact I16.1 to explore the helix-coil transition in polypeptides.

(a) Investigate the effect of the parameter s on the distribution of random coil segments in a polypeptide with n = 20 by plotting p., the fraction of molecules with a number of amino acids in a coil region, against i for s = 0.8, 1.0, and 1.5, with O'= 5.0 x 10-2. Discuss the significance of any effects you discover.

(b) The average value of i given by (i) = Ijipj. Use the results of the zipper model to calculate (i) for all the combinations of sand oused in Fig. 16.10 and part (a).

Distribution
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