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PPP calculations of the circular dichroism spectra of some dinucleoside phosphates

✍ Scribed by Margaret L. Bailey

Publisher
Wiley (John Wiley & Sons)
Year
1972
Tongue
English
Weight
584 KB
Volume
11
Category
Article
ISSN
0006-3525

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✦ Synopsis

This method does not require the prior knowledge of the experimental absorption spee tra or transition moments of the bases forming the dinucleoside phosphates. Calculated spectra were obtained in good agreement with experimental spectra for four dinucleoside phosphates, ApA, UpU, GpA, and UpA, and reasonable agreement was obtained for ApG and ApU. The effect of changing conformation on the CD spectrum was studied for ApA, UpU, UpA, and ApU; the spectra of UpU, UpA, and ApU were sensitive to small changes in conformation, whereas ApA was insensitive over the range of conformations studied. Further studies await det,ailed knowledge of the structure of dinucleoside phosphates in solution.

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