Enter a single nucleotide sequence (with optional fasta header, up to 50kb):
Or upload a Fasta file:
Enter a file containing the reference structure (in HELIX format) to which the emerging helices will be compared in order to determine the clashings
Or upload a file in Helix format:
Paste a multiple sequence alignment of one or more sequences in FASTA format (up to 200kb total). Click for example
Paste a multiple sequence alignment of one or more sequences in FASTA format, species should match those in target alignment.
Paste a phylogeny tree in Newick format. All species must match those in both alignments. Click for example
Paste a phylogeny tree in Newick format. All species must match those in both alignments.
Turner, 2004 [ref]
Turner, 1999 [ref]
Andronescu, 2007 [ref]
Default
Custom:
α
τ
Minimum helix length
Minimum clash overlap