1977
DOI: 10.1093/nar/4.11.3997
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A13C NMR study of poly(adenosine diphosphate ribose) and its monomers: evidence of α-(1″→2′) ribofuranosyl ribofuranoside residue

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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Cited by 53 publications
(41 citation statements)
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“…This may be of some significance in regard § Natural abundance carbon-13 spectra of PR-AMP derived from calf thymus nuclei also indicate a single, homogeneous product. The glycosyl linkage may also be a (27). Conformational rigidity extends into the a-ribose moiety, as indicated by its exclusively 1'-exo type conformation.…”
Section: Discussionmentioning
confidence: 99%
“…This may be of some significance in regard § Natural abundance carbon-13 spectra of PR-AMP derived from calf thymus nuclei also indicate a single, homogeneous product. The glycosyl linkage may also be a (27). Conformational rigidity extends into the a-ribose moiety, as indicated by its exclusively 1'-exo type conformation.…”
Section: Discussionmentioning
confidence: 99%
“…3 shows a 13 C NMR spectrum of G-ADP. Signals corresponding to the five carbons of the adenine moiety and to the five carbons of ribose were readily identified by comparison with the spectra of other adenine-containing nucleotides (22,26). Additionally, a signal at a position expected for the carbonyl carbon of a carboxylate group (179.98 ppm) and at a position expected for a carbon of a methylene group linked to a pyrophosphate bridge (71.18 ppm) could be identified.…”
Section: Identification Of Products Derived From Adp-ribose Glycation-mentioning
confidence: 98%
“…The pH of the hydrolyzate was adjusted to about 5 with barium hydroxide and centrifuged. The resulting supernatant was adjusted to pH 13 with 0.1 N NaOH and lyophilized. The lyophilizate was washed with 2 ml of ethanol twice, dissolved in 0.5 ml of water, and charged onto a column of Sephadex G-I0 (Pharmacia, 105 ml) previously equilibrated with 0.1 M NaC!.…”
Section: Methodsmentioning
confidence: 99%