Phosphorus-Proton Spin-Spin Coupling and Conformation of a Dinucleoside Phosphate
- 19 December 1969
- journal article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 166 (3912), 1504-1506
- https://doi.org/10.1126/science.166.3912.1504
Abstract
The phosphorus-31 nuclear magnetic resonance spectrum of β-adenosine-3'-β-adenosine-5'-phosphoric acid in its aqueous solution (pH = 9.2) was studied. The signal consisted of eight peaks caused by the spin-spin coupling of the phosphorus nucleus with three protons, two on the 5' carbon, and one on the 3' carbon. The coupling constants were 3.4, 6.5, and 8.1 hertz; from these values the dihedral angles of the three P-O-C-H systems were estimated.Keywords
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