Online Plasmid & DNA Sequence Editor
View and edit annotated DNA with linked plasmid maps, features and sequence views.
GenBank, SnapGene .dna, EMBL, ApE, FASTA, plain DNA or a saved project. Formats and limits.
Paste a sequence instead
Local recovery (optional)
Saves applied edits in this browser. Turning this off deletes all editor recovery copies. Download a project for a lasting backup. Recovery details.
Checking local recovery…
Map
Restriction sites
Enable the layer to scan this record locally.
| Enzyme | Sites | Cuts after base |
|---|
Select a cut position to inspect it.
Ticks mark top-strand cuts. Methylation and reaction conditions are not modelled. Restriction-site guidance.
Scroll sideways to explore the full map.
Features
Edit multiple features (0 selected)
Select features using the checkboxes in the table.
| Feature | Position |
|---|
No matching features.
Find & copy DNA
Both strands; up to 1,000 bases. Search and ambiguity rules.
Enter a sequence to find its positions.
Select a range by coordinates
On a circular record, a last base before the first base selects across the origin.
Select bases or a feature to copy.
Sequence
Sequence view is closed.
No sequence loaded.