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  • Title: The nucleotide sequence of a precursor to the glycine- and threonine-specific transfer ribonucleic acids of Escherichia coli.
    Author: Chang S, Carbon J.
    Journal: J Biol Chem; 1975 Jul 25; 250(14):5542-55. PubMed ID: 167017.
    Abstract:
    The primary nucleotide sequence of an Escherichia coli tRNA precursor molecule has been determined. This precursor RNA, specified by the transducing phage lambdah80dglyTsuA36 thrT tyrT, accumulates in a mutant strain temperature-sensitive for RNase P activity. The 170-nucleotide precursor RNA is processed by E. coli extracts to form mature tRNA Gly 2 suA36 and tRNA Thr ACU/C. The sequence of the precursor is pG-U-U-C-C-A-G-G-A-U-G-C-G-G-G-C-A-U-C-G-U-A-U-A-A-U-G-G-C-U-A-U-U-A-C-C-U-C-A-G-C-C-U-N-C-U-A-A-G-C-U-G-A-U-G-A-U-G-C-G-G-G-T-psi-C-G-A-U-U-C-C-C-G-C-U-G-C-C-C-G-C-U-C-C-A-A-G-A-U-G-U-G-C-U-G-A-U-A-U-A-G-C-U-C-A-G-D-D-G-G-D-A-G-A-G-C-G-C-A-C-C-C-U-U-G-G-U-mt6A-A-G-G-G-U-G-A-G-m7G-U-C-G-G-C-A-G-T-psi-C-G-A-A-U-C-U-G-C-C-U-A-U-C-A-G-C-A-C-C-A-C-U-UOH(tRNA sequences are italicized). It contains the entire primary nucleotide sequences of tRNA Gly2 suA36 and tRNA Thr ACU/C, including the common 3'-terminal sequence, CCA. Nineteen additional nucleotides are present, with 10 at the 5' end, 3 at the 3' end, and the remaining 6 in the inter-tRNA spacer region. RNase P cleaves the precursor specifically at the 5' ends of the mature tRNA sequences.
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