Science

Sequence Logos & MSA

Shannon-bits logos, conservation tracks, IUPAC/regex motif scan.

Live

Paste FASTA or upload a Clustal alignment. Auto-detect DNA / RNA / protein, render publication-grade Shannon-bits or probability logos, a conservation track, consensus sequence, and inline IUPAC / regex motif highlights with colorblind-safe schemes. Export SVG or 2×/4× PNG.

Bits or probability

Switch between Shannon information content and per-letter probability.

Conservation track

Per-column conservation rendered as a quantitative band.

Motif scan

IUPAC codes for DNA/RNA, plain regex for protein; hits highlighted inline.

Who it's for
  • Conservation figures
  • Variant analysis panels
  • Domain studies
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