Published September 3, 2010 | Supplemental Material + Accepted Version
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Preparation of Translationally Competent tRNA by Direct Chemical Acylation

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Abstract

Nonsense codon suppression for unnatural amino acid incorporation requires the preparation of a suppressor aminoacyl-tRNA. Chemical acylation strategies are general but inefficient and arduous. A recent report (J. Am. Chem. Soc. 2007, 129, 15848) showed acylation of RNA mediated by lanthanum(III) using amino acid phosphate esters. The successful implementation of this methodology to full-length suppressor tRNA is described, and it is shown that the derived aminoacyl-tRNA is translationally competent in Xenopus oocytes.

Additional Information

© 2010 American Chemical Society. Received June 17, 2010. Publication Date (Web): August 5, 2010. We thank Dr. Scott Virgil (Caltech) for assistance with LC/MS, Dr. Russell Jacobs (Caltech) for suggesting DTPA, Dr. Ronald Kluger (University of Toronto) and students for helpful suggestions. This work was supported by the NIH (NS 34407).

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Accepted Version - nihms227191.pdf

Supplemental Material - ol101408f_si_002.pdf

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