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Circular dichroism study of modified nucleosides

✍ Scribed by Andrzej Gałat; Aleksander Jankowski

Publisher
Wiley (John Wiley & Sons)
Year
1982
Tongue
English
Weight
479 KB
Volume
21
Category
Article
ISSN
0006-3525

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✦ Synopsis

Abstract

CD study of four modified nucleosides, constituents of tRNA molecules, revealed that 2‐thio‐5‐methyluridine and 5‐methyluridine in aqueous solution, 0.1__N__ HCl, and organic solvents essentially occur in an anti‐conformation. 5‐Methylcytidine also occurs in an anti‐conformation similar to cytidine in aqueous solution and organic solvents, while 2‐thiocytidine dihydrate appears to occur in an anti‐conformation. It is stressed that the CD data of thionucleosides might be applied to the successfully conformational analysis of tRNA molecules.

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