Preparation and sequencing of the cloacin fragment of Streptomyces aureofaciens 16S RNA.
A fast method for isolation of a 3'-terminal fragment of Streptomyces aureofaciens 16S RNA was developed. The procedure involves reaction of 70S ribosomes with cloacin DF13 and subsequent fractionation of the reaction mixture by polyacrylamide gel electrophoresis. The cloacin fragment was eluted from the gel and used directly for 3'-end labeling with cytidine-3',5'-[5'-32P]bisphosphate. The labeled RNA fragment was sequenced by the enzymatic method. It consists of 50 nucleotides and has the sequence 5'-GUCGUAACAAGGUAACCGUACCGGA-AGGUGCGGUUGGAUCACCUCCUUUCOH. The differences from the E. coli and Bacillus sequences and their possible influence on the rate and specificity of polypeptide synthesis are discussed.[1]References
- Preparation and sequencing of the cloacin fragment of Streptomyces aureofaciens 16S RNA. Janda, I., Mikulík, K. Biochem. Biophys. Res. Commun. (1986) [Pubmed]
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