## Abstract Infrared and Raman spectra of aqueous poly(rA‐rU)·poly(rA‐rU), the double‐helical complex containing strands of alternating riboadenylate and ribouridylate residues, display significant differences from one another and from corresponding spectra of poly(rA)·poly(rU), the double‐helical
Helix-coil equilibria of poly (rA) · poly (rU)
✍ Scribed by R.D. Blake
- Publisher
- Elsevier Science
- Year
- 1973
- Tongue
- English
- Weight
- 945 KB
- Volume
- 1
- Category
- Article
- ISSN
- 0301-4622
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Helix-coil transition curves are calculated for poly (dA).poly(dT) and poly (dA-dT). poly (dA-dT) using the integral equation approach of Goel and Montroll.6 The transitions are described by the loop entropy model with the exponent of the loop entropy factor, k, remaining an arbitrary constant. The
## Abstract The eigenvalues and eigenvectors of 11‐fold double‐helical poly(rU)·poly(rA) have been calculated. The vibrational potential energy of the double‐helical structure is initially considered to be a sum of the vibrational potential energy of the single‐helical structures poly(rU) and poly(
## Abstract A combination of ultrasound velocimetry, density, and UV spectroscopy has been employed to study the hydration effects of binding of Mn^2+^ and alkaline‐earth cations to poly(rA) and poly(rU) single strands. The hydration effects, obtained from volume and compressibility measurements, a