Enter a name for the sequence (optional) :
Paste your RNA sequence in FASTA format   [?]
or upload a file
Choose the set of input helices
Paste your own set of helices   [?]   
Upload a file with your own set of helices   [?]   
Compute helices with UNAFold   [?]
Compute helices with a nearest neighbour model (without bulges)   [?]
Paste the helices that must be in all structures (optional)   [?]
or upload a file (optional)
Select the output size   [?]
Output structures within percentage of suboptimality
Output at most structures
Choose additional filters
Impose at most bases between juxtaposed helices
Remove redundant combinations of helices
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