Transcription factor binding scanner

Scan DNA with position frequency matrices from a MEME file — forward and reverse strands, log‑odds scoring vs MEME background.

Optional: click or drop to replace the motif library Loading bundled tf_elements.meme.txt…
Uses JASPAR CORE taxonomic annotations (matrix-tax-embedded.js). Only motifs linked to the chosen species are scanned.
Strength updates the diagram and table as you move the slider (brief pause while motifs rescan).
Motif ID Name Strand Start End Sequence Bits % range

Paste DNA, adjust threshold if needed, then Scan.