Problem

(a) Based on a more conservative answer to Problem 6 (2.7 × 1092 conformations), estimate...

(a) Based on a more conservative answer to Problem 6 (2.7 × 1092 conformations), estimate the conformational entropy change on folding a mole of this protein into a native structure with only one conlormation.

(b) If the protein folds entirely into α helix with H bonds as the only source of enthalpy of stabilization, and each mole of H bonds contributes − 5kJ/mol to the enthalpy, estimate ΔHfolding. Note that you cannot form 4 II bonds at one end.

(c) From your answers to (a) and (b), estimate ΔGfolding for this protein at 25 °C. Is the folded form of the protein stable at 25 °C?

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Solutions For Problems in Chapter 6