Experimental thermodynamics of the helix–random coil transition. II. Calorimetric measurement of transition enthalpies of poly A in acid aqueous solution
✍ Scribed by H. Klump; Th. Ackermann; E. Neumann
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1969
- Tongue
- English
- Weight
- 464 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0006-3525
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By combining the heat of dilution of a poly (y-benzyl L-glutamate)-dichloroacetic acid-1,2-dichloroethane solution with the corresponding heat of mixing of two solvents, the integrated heat of the coil-helix transition of poly(y-benzyl L-glutamate) in the solution was estimated to be about 750 cal/m
We use heat capacity data of Taylor et al. to calculate the enthalpy distribution of a model peptide using the moments/maximum-entropy method. The peptide was designed with small covalent loops at both ends of the molecule to nucleate ␣-helix thus giving a system that would be expected to show a hel
## Abstract The thermal helix–coil transition of four samples of poly(γ‐benzyl‐L‐glutamate) in the dioxane–dichloroacetic acid (DCA) mixture was studied by optical rotatory dispersion method. The transition occurred at very high DCA content (97.5% by weight) in this system. The transition parameter