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Contact: Diana Yates
University of Illinois at Urbana-Champaign


Caption: All tRNAs assemble themselves into a shape that, if flattened, resembles a cloverleaf. Patterns in these structures give clues to early evolutionary history. The red areas of the molecule pictured above are the most ancient.

Credit: Image courtesy of Gustavo Caetano-AnollÚs.

Usage Restrictions: Photo may be used only with stories about the research described in the news release. Please credit: Image courtesy of Gustavo Caetano-AnollÚs.

Related news release: Researchers see history of life in the structure of transfer RNA

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