Ribonuclease P (RNase P) is a class of enzymes involved in the processing of precursor tRNAs to remove their 5'-leader sequences. Ribonuclease P enzymes are classified into two completely distinct classes, i.e. an RNA-based enzyme and a protein-only enzyme. The RNA-based enzyme
functions as a ribozyme in which the catalytic machinery is supported by its RNA component consisting of a single RNA molecule. Bacterial RNase P RNAs are a classical class of ribozymes and their structures and catalytic mechanisms have been studied extensively. The bacterial RNase P ribozyme
has a modular tertiary structure consisting of two large domains, each of which can self-fold without the partner domain. Such modular architecture, identification of which provided important insight into the function of this ribozyme, is attractive as a structural platform to design functional
RNA nanostructures. The first section of this article briefly summarizes the diversity of RNase P mainly focusing on RNA-based enzymes. The second section describes the structures of bacterial RNase P ribozymes from the viewpoint of their application as modular tools in RNA nanostructure design.
The last section summarizes the current state and next steps in modular engineering of RNase P RNAs, including possible design of RNase P ribozyme-based nanostructures.
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Document Type: Research Article
Department of Chemistry Graduate School of Science and Engineering University of Toyama Gofuku 3190, Toyama, Japan
Department of Chemistry Graduate School of Science and Engineering University of Toyama Gofuku 3190, Toyama, Japan;, Email: [email protected]
Publication date: 01 December 2018
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International Journal for Chemistry and Official Membership Journal of the Swiss Chemical Society (SCS) and its Divisions
CHIMIA, a scientific journal for chemistry in the broadest sense, is published 10 times a year and covers the interests of a wide and diverse readership. Contributions from all fields of chemistry and related areas are considered for publication in the form of Review Articles and Notes. A characteristic feature of CHIMIA are the thematic issues, each devoted to an area of great current significance.
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