A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 15-Oct-2014 number of released structures: 7462
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View examples of each type of basepair observed or predicted to occur in RNA 3D structures from this page. Basepairs are organized in geometric families using the Leontis-Westhof classification. Select basepair families with the dropdown menu to view base combinations that form in each family. The interactive heat map shows geometric similarities of basepairs in each family and can be used to select instances to superpose in the 3D viewer window.

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