Thiobases in Escherichia coli Transfer RNA: 2-Thiocytosine and 5-Methylaminomethyl-2-thiouracil
- 13 September 1968
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 161 (3846), 1146-1147
- https://doi.org/10.1126/science.161.3846.1146
Abstract
Two new sulfur-containing pyrimidine nucleotides have been isolated from hydrolyzates of Escherichia coli transfer RNA. The structures, 2-thiocytosine and 5-methylaminomethyl-2-thiouracil, have been assigned to the bases as a result of study of ultraviolet and mass spectra. An acid-degradation product, S-methylamino-methyluracil, has been synthesized and is identical to that derived from the natural product.Keywords
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