View or Edit Features in a Multiple Alignment

How do I view or edit features in an Alignment?

SnapGene version 5.3 and later allow display of features in multiple sequence alignments.

SnapGene 6.0 and later allow display and editing of Features in pairwise and multiple alignments.

Open an Alignment with Annotated Sequences

Create or open an alignment containing sequences with features.

View Features in the Alignment

Click on a disclosure triangle to show all features associated with a sequence.

View All Features in a Table

Switch to Features view to show a table of all features associated with all sequences in the alignment.

Check "Full descriptions" to see all qualifier information for each feature.

Use "Find" to search for keywords in the feature qualifiers.

Delete a Feature from an Alignment

Click on the feature to select it and hit the "delete" key to remove the feature from the alignment.

Edit a Feature in An Alignment

Double click on a feature to edit it. See the Guide Chapter on Features to learn more about editing features and associated qualifiers.

Add a Feature to an Alignment Sequence

Select a region of a single sequence in the alignment by one of the following methods:

  1. Click a sequence name to select the entire sequence.
  2. Click within a sequence row and drag down the alignment to the equivalent row.
  3. Click Edit → Select Range to specify a sequence range for selection.

Click Features → Add Feature. Add the new feature and appropriate qualifiers, then click OK. See the Guide chapter on Features to learn more about adding features to a sequence.

The new feature will be displayed on the sequence.

Click Discard Edits to Undo all edits made to the alignment, or click Save to save the edited alignment.