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This article has been retracted

Science 31 July 1998:
Vol. 281. no. 5377, pp. 666 - 669
DOI: 10.1126/science.281.5377.666
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Research Articles

Reconstitution of Peptide Bond Formation with Escherichia coli 23S Ribosomal RNA Domains

Itaru Nitta, Yoshie Kamada, Hiroe Noda, Takuya Ueda, Kimitsuna Watanabe *

It was recently demonstrated that peptide bond formation can occur using an Escherichia coli naked 23S ribosomal RNA without any of the ribosomal proteins. Here, the six domains of the 23S ribosomal RNA were individually synthesized and shown to be capable, when complexed together, of stimulating the reaction. Omission and addition experiments indicated that the activity could be reconstituted solely by domain V at a concentration 10 times higher than that of the intact 23S ribosomal RNA, whereas domain VI could enhance the activity in trans. These findings suggest that fragments of an RNA molecule have the ability to associate into a functional whole.

The authors are with the Department of Chemistry and Biotechnology, Graduate School of Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
*   To whom correspondence should be addressed. E-mail: kw{at}kwl.t.u-tokyo.ac.jp

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