solution structure of a preQ1 riboswitch (Class I) aptamer bound to preQ1

Information obtained from PDB's Chemical Component Dictionary
at http://wwpdb-remediation.rutgers.edu/downloads.html
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Structural Insights into riboswitch control of the biosynthesis of queuosine, a modified nucleotide found in the anticodon of tRNA.

Schwieters, Kuszewski, Tjandra and Clore