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. 1982 Oct;79(19):5891-5.
doi: 10.1073/pnas.79.19.5891.

Structural variability of tRNA: small-angle x-ray scattering of the yeast tRNAphe-Escherichia coli tRNAGlu2 complex

L Nilsson, R Rigler, P Laggner

Structural variability of tRNA: small-angle x-ray scattering of the yeast tRNAphe-Escherichia coli tRNAGlu2 complex

L Nilsson et al. Proc Natl Acad Sci U S A. 1982 Oct.

Abstract

The structure of the complex formed in solution between yeast tRNAPhe and Escherichia coli tRNAGlu2 has been studied by small-angle x-ray scattering. The complex has a radius of gyration of 4.0 nm and an electron-pair distance distribution that is incompatible with a model composed to two tRNAs joined at their complementary anticodons and exhibiting the L shape seen in the crystal. Instead a model in which the two tRNAs, still bound via the anticodons, assume a conformation with the acceptor arms folded toward the anticodon arms agrees with the observed scattering curves.

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