The effect of basic oligopeptides (Lys-Ala-Ala), ( n = 1-5,10) and ( Lys-Leu-Ala), ( n = 1-4 ) on the B-Z transition of poly (dG-dC) .poly( dG-dC) in water-methanol solutions was investigated using CD and uv spectroscopy: In the absence of peptides, the concentration of methanol at the midpoint of t
Polarographic investigation of the BZ transition of Poly(dGdC)·poly(dGdC)
✍ Scribed by J.-M. Séquaris; M.L. Kaba; P. Valenta
- Publisher
- Elsevier Science
- Year
- 1984
- Tongue
- English
- Weight
- 159 KB
- Volume
- 13
- Category
- Article
- ISSN
- 1567-5394
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## Abstract We have measured the ultraviolet circular dichroism spectra of oligo d(pG)~5~, poly dN AcG, poly dI, poly dC, two samples of poly dG, and four samples containing double‐stranded poly dG:dC. We find that oligo d(pG)~5~ and poly dG exist in self‐complexed forms as well as in single‐strand
A polarizability theory is presented for copolymers perturbed by solvent molecules. The hypochromic red-shift of the UV absorption spectrum and the inversion of the CD profile for the B-to-Z transition of poly(dG-dC)\*poly (dG-dC) are calculated by the most simplified scheme of this theory. The band