Abstract
The nucleotide sequence of a 2.5 kb region encompassing a curved DNA segment (BENT-9) randomly cloned from the total Escherichia coli chromosome was determined. This region was found to contain the dna Y gene encoding a transfer RNA. The curved DNA structure was demonstrated to be located just upstream of the dna Y promoter. The results of sequencing further revealed that the int gene of a cryptic prophage, qsr', which has been shown to be present in the E. coli genome, is located next to the dna Y gene.
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