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References (8)
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G. Giacometti, A. Turolla (1966)
Heat of Solution of Poly-γ-Benzyl-l-Glutamate in Dichloroethane-Dichloroacetic Acid MixturesZeitschrift für Physikalische Chemie, 51
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Polypeptides. IV. The Molecular Weight, Configuration and Association of Poly-γ-benzyl-L-glutamate in Various SolventsJournal of the American Chemical Society, 78
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Thermal Helix-coil Transition in Poly-γ-benzyl-L-glutamateNature, 202
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M. Bixon, S. Lifson (1966)
Solvent effects on the helix–coil transition in polypeptidesBiopolymers, 4
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Jen-Tsi Yang (1961)
Optical rotatory dispersion of polypeptides and proteinsTetrahedron, 13
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T. Ackermann, H. Rüterjans (1964)
Der Temperaturverlauf der spezifischen Wärme von Lösungen des Poly-γ-benzyl-L-glutamats im Bereich der Helix-Coil-UmwandlungZeitschrift für Physikalische Chemie, 41
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Polymerization of γ‐benzyl‐L‐glutamate N‐carboxy‐ anhydride: Effects of conditions of polymer precipitation on the molecular weight distributionBiopolymers, 4
- Publisher
- Wiley
- Copyright
- Copyright © 1968 John Wiley & Sons, Inc.
- ISSN
- 0006-3525
- eISSN
- 1097-0282
- DOI
- 10.1002/bip.1968.360060315
- pmid
- 5641941
- Publisher site
- See Article on Publisher Site
Abstract
The heat of solution of a series of three polyglutamates as a function of solvent composition was measured. The abrupt increase in heat of solution at the solvent composition of the helix–coil transition (as evidenced by optical rotation data) allows the estimation of the transition enthalpy change. The difference of side chain in the three polyglutamates has no appreciable effect on the transition enthalpy, although it affects the helix stability, as judged from the solvent composition at the transition points. These facts are discussed on the basis of existing models of the transition.
Journal
Biopolymers – Wiley
Published: Mar 1, 1968