Function of the repeated sequence in the 3 flanking region of the Escherichia coli rnpB gene on transcription termination and RNA processing

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The 3' flanking region of the Escherichia coli rnpB gene-encoding M1 RNA, the RNA component of RNase P, contains a 113 bp repeated sequence. This sequence, successively reiterating 3.5 times, includes the region for intrinsic termination. In vivo termination of transcription occurs mostly at the first terminator (T1). Analysis of deletions at the 3' flanking region revealed that the second terminator (T2) and third (T3) are functional in vivo and that the sequences preceding the region coding for an RNA-terminator hairpin and U-rich 3' tail are essential for efficient termination. Transcripts terminating at T2 and T3 were also processed at the 3' end in a manner similar to those terminating at T1. (C) 1997 Federation of European Biochemical Societies.
Publisher
ELSEVIER SCIENCE BV
Issue Date
1997-05
Language
English
Article Type
Article
Keywords

RIBONUCLEASE-P; M1 RNA; COMPONENT; SUBUNIT; IDENTIFICATION; EFFICIENCY; PROMOTERS; PRECURSOR; SITES

Citation

FEBS LETTERS, v.407, no.3, pp.353 - 356

ISSN
0014-5793
URI
http://hdl.handle.net/10203/73947
Appears in Collection
CH-Journal Papers(저널논문)
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