J. Biochem, 1988, Vol. 104, No. 1 108-111
© 1988 Japanese Biochemical Society
research-article |
Chemical Structure of a New Modified Nucleoside Located in the Anticodon of Bombyx mori Glycine tRNA2
*Department of Molecular Biology, School of Science, Nagoya University Chikusa-ku, Nagoya, Aichi 464
**Chemical Instrument Center, Nagoya University Chikusa-ku, Nagoya, Aichi 464
***Laboratory of Organic Chemistry, Faculty of Agriculture, Nagoya University Chikusa-ku, Nagoya, Aichi 464
There are two species of glycine tRNA, Gly1 and Gly2 in the posterior silk glands of Bombyx mori. The first positions of their anticodons are guanosine and an unknown nucleoside for tRNAGly1 and Gly2 respectively. This new nucleoside was isolated and the chemical structure was analyzed by thin layer chromatography and by UV, 1H-NMR, field desorption mass, and ORD spectroscopic measurements. The structure characterized by physical methods wasfinally confirmed by synthesis to be 5-((S)-carboxy(hydroxy) methyl)uridine methyl ester.