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. 1984 Mar 12;12(5):2259–2271. doi: 10.1093/nar/12.5.2259

Interactions between avian myeloblastosis reverse transcriptase and tRNATrp. Mapping of complexed tRNA with chemicals and nucleases.

M Garret, P Romby, R Giegé, S Litvak
PMCID: PMC318660  PMID: 6200830

Abstract

The interactions between beef tRNATrp with avian myeloblastosis reverse transcriptase have been studied by statistical chemical modifications of phosphate (ethylnitrosourea) and cytidine (dimethyl sulfate) residues, as well as by digestion of complexed tRNA by Cobra venom nuclease and Neurospora crassa endonuclease. Results with nucleases and chemicals show that reverse transcriptase interacts preferentially with the D arm, the anticodon stem and the T psi stem. All these regions are located in the outside of the L-shaped structure of tRNA. This domain of interaction is different to that reported previously in the complex of beef tRNA with the cognate aminoacyl-tRNA synthetase (M. Garret et al.; Eur. J. Biochem. In press). Avian reverse transcriptase destabilizes the region of tRNA where most of the tertiary interactions maintaining the structure of tRNA are located.

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Selected References

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