Feature libraries are sequence repositories for auto annotation. Use them to automatically annotate features across multiple sequences with the same name, color, and type. Benchling supports nucleotide and amino acid sequences, including degenerate bases.

For collaboration: Sequence libraries help labs keep annotations standard across many sequences. They can be shared with another organization or user as a project would. Invite other users or organizations to use, edit, or add others to your feature library under the “Collaborators” tab.

Creating a feature library

1. Click the annotations panel and click the Edit Feature Library button on the bottom right of the panel.

2. Name the feature library and click the Create Feature Library button.

3. Click Import CSV and drag and drop the CSV from your downloads bar into Benchling. (You can also click “Upload File,” locate the file in your directory, and then upload it. We support importing feature libraries from ApE as well.)

Important Note # 1: Make sure to use a CSV. Importing an Excel file will result in an error. 

Important Note # 2: The CSV file should have the format [name], [feature], [type*], [color*], where you don't need column headers in your sheet. Type and color are both optional. For an example, see the image below.

4. Click the drop down menu and select a particular library to add the features from your CSV file to that feature library or select Create new library to create a new feature library directly.

Pro Tip: Right click on an existing annotation to add it to a feature library. Right click, choose Add to Feature Library, and specify the feature library you would like to add the annotation to.

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