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[The geometry of the sugar radicals of nucleic acids]
Abstract:
Geometric flexibility has been analyzed in nucleotides with 46 (deoxyribofuranose) and 74 (ribofuranose) conformers and tentatively (within most stable conformation of five-element ring in nucleic acids) 4 and 8 geometric isomers, respectively. Possible biological role of geometric isomers of deoxyribofuranose during DNA functioning has been discussed.