Molecular Conformation of Dihydrouridine: Puckered Base Nucleoside of Transfer RNA
- 14 May 1971
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 172 (3984), 725-727
- https://doi.org/10.1126/science.172.3984.725
Abstract
The crystal structure of dihydrouridine hemihydrate has been determined by x-ray diffraction. Crystals of dihydrouridine contain two independent molecules in the asymmetric unit and a molecule of water. The x-ray structure determination has shown that the conformations of both molecules differ in important respects in the saturated base and the ribose. The molecular conformation of dihydrouridine has, for the first time, provided structural evidence that the rare nucleoside can proinote "loop" formation in the sugar-phosphate chain.Keywords
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