3 -end processing of precursor M1 RNA by the N-terminal half of RNase E

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M1 RNA, the catalytic component of Escherichia coli RNase P, is derived from the 3'-end processing of precursor M1 RNA, a major transcript of the rnpB gene. In this study, we investigated the mechanism of 3'-end processing of M1 RNA using the recombinant N-terminal half RNase E. The cleavage site preference of RNase E differed from that of the 40% ammonium sulfate precipitate (ASP-40), a partially purified cell extract containing processing activity. However, the addition of a trace amount of ASP-40 changed the cleavage site preference of RNase E to that of ASP-40 suggesting the involvement of a soluble factor in cleavage site preference. (C) 2002 Federation of European Biochemical Societies. Published by Elsevier Science B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2002-10
Language
English
Article Type
Article
Keywords

COLI RIBONUCLEASE-P; ESCHERICHIA-COLI; MESSENGER-RNA; RIBOSOMAL-RNA; GENE; DEGRADATION; DEGRADOSOME; COMPONENT; SUBUNIT; SEQUENCES

Citation

FEBS LETTERS, v.529, no.2-3, pp.225 - 231

ISSN
0014-5793
DOI
10.1016/S0014-5793(02)03345-8
URI
http://hdl.handle.net/10203/11591
Appears in Collection
CH-Journal Papers(저널논문)
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