Stereoselective intramolecular cyclization in irradiated nucleic acids: R- and S-8,5'-cycloadenosine in polyadenylic acid. 1986

A F Fuciarelli, and F Y Shum, and J A Raleigh

The yields of R- and S-8,5'-cycloadenosines have been measured in poly A irradiated with gamma rays in the absence of oxygen. High performance liquid chromatographic analysis of the nucleoside analogues obtained by hydrolysis of the irradiated poly A shows that the R isomer predominates to the extent of 2.5-fold at doses of ionizing radiation in the range of 0-400 Gy.

UI MeSH Term Description Entries
D011061 Poly A A group of adenine ribonucleotides in which the phosphate residues of each adenine ribonucleotide act as bridges in forming diester linkages between the ribose moieties. Adenine Polynucleotides,Polyadenylic Acids,Poly(rA),Polynucleotides, Adenine
D002851 Chromatography, High Pressure Liquid Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high speed. Chromatography, High Performance Liquid,Chromatography, High Speed Liquid,Chromatography, Liquid, High Pressure,HPLC,High Performance Liquid Chromatography,High-Performance Liquid Chromatography,UPLC,Ultra Performance Liquid Chromatography,Chromatography, High-Performance Liquid,High-Performance Liquid Chromatographies,Liquid Chromatography, High-Performance
D000241 Adenosine A nucleoside that is composed of ADENINE and D-RIBOSE. Adenosine or adenosine derivatives play many important biological roles in addition to being components of DNA and RNA. Adenosine itself is a neurotransmitter. Adenocard,Adenoscan
D013237 Stereoisomerism The phenomenon whereby compounds whose molecules have the same number and kind of atoms and the same atomic arrangement, but differ in their spatial relationships. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed) Molecular Stereochemistry,Stereoisomers,Stereochemistry, Molecular,Stereoisomer

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