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A 13C NMR study of poly(adenosine diphosphate ribose) and its monomers: evidence of alpha-(1' leads to 2') ribofuranosy1 ribofuranoside risidue. |
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| Authors: | M Miwa H Sait? H Sakura N Saikawa F Watanabe T Matsushima T Sugimura |
| Abstract: | The 13C NMR spectra of poly(adenosine diphosphate ribose), ribosyl adenosine 5', 5'-bis(phosphate) and related compounds were analyzed. The structure of the ribose-ribose linkage was determined as alpha-(1' leads to 2')ribofuranosyl ribofuranoside, from the 13C chemical shifts of methyl-alpha- and methyl-beta-D-ribofuranosides, and from the downfield displacements of 13C NMR signals by glycosidic bond formation. |
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