Electron microscopic visualization of the sidechains of the poly-L-lysine alpha helix
โ Scribed by G. Harauz; D.W. Andrews; F.P. Ottensmeyer
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 831 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0304-3991
No coin nor oath required. For personal study only.
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Studies of the helix-to-coil transition in dilute solutions of poly-L-lysine, dissolved in mixtures of water and methanol (MeOH), have been carried under shear flow using flow birefringence and modulated polarimetry. The fraction of helical conformations in a given solution remains independent of sh
Water-insoluble films of poly-L-lysine, crosslinked with formaldehyde, were suspended in aqueous media and their relative lengths measured as a function of pH. A sharp transition of the polymer was observed in the pH range which corresponded with that observed in polylysine solutions by optical rota
## Abstract The rate of conformational change of aqueous poly(ฮฑโLโlysine) solutions was measured using the electric field pulse relaxation method with conductivity detection. The relaxation time as a function of pH exhibits two maxima. One is assigned to a proton transfer reaction and the other to