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RNA nanotechnology has been established by employing the molecular architecture of RNA structural motifs. Here, we report two designed RNA-protein complexes (RNPs) composed of ribosomal protein L1 (RPL1) and its RNA-binding motif that are square-shaped nano-objects. The formation and the shape of the objects were confirmed by gel electrophoresis analysis and atomic force microscopy, respectively. Any protein can be attached to the RNA via a fusion protein with RPL1, indicating that it can be used as a scaffold for loading a variety of functional proteins or for building higher-order structures. In summary, the RNP object will serve as a useful tool in the fields of bionanotechnology and synthetic biology. Moreover, the RNP interaction enhances the RNA stability against nucleases, rendering these complexes stable in cells.


Hirohisa Ohno, Tan Inoue. Designed Regular Tetragon-Shaped RNA-Protein Complexes with Ribosomal Protein L1 for Bionanotechnology and Synthetic Biology. ACS nano. 2015 May 26;9(5):4950-6

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PMID: 25933202

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