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“A structure based flexible search method for motifs in RNA” Isana ...

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Deal<strong>in</strong>g with Potential Pseudoknots<br />

Observations:<br />

� These edges break down the tree-like<br />

representation of the RNA secondary <strong>structure</strong>s.<br />

� The potential pseudoknot is conf<strong>in</strong>ed to the<br />

subtree rooted <strong>in</strong> node 8, i.e., node 2 and node 4<br />

are sibl<strong>in</strong>g nodes shar<strong>in</strong>g a common parent node.<br />

� For all riboswitch aptamer queries <strong>in</strong> this study,<br />

only one potential pseudoknot is predicted and it<br />

is always <strong>for</strong>med between two sibl<strong>in</strong>g leaf nodes<br />

shar<strong>in</strong>g a common parent node.<br />

� The text subtrees could be annotated with any<br />

number of potential sibl<strong>in</strong>g pseudoknots*.<br />

* <strong>based</strong> on loop sequence complementarity analysis that is executed <strong>in</strong> the preprocess<strong>in</strong>g stage.<br />

sibl<strong>in</strong>g pseudoknot edge

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