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System Requirements
OS Windows 7 or later
macOS 10.10 or later
Fedora Linux 21 or later
Red Hat Linux 7.2 or later
Ubuntu Linux 14.04 or later
Memory1 GB RAM
Hard Disk250 MB available disk space
Display1024 x 768 or higher resolution

Changes in version 4.1.4 (Jan 10, 2018)


  • Enabled choice of a destination subfolder when importing into a collection.
  • Enhanced the recognition of feature names when opening ApE files.
  • Updated the common features database.
  • Made various color enhancements.


  • Fixed an issue where sequences that align around the numerical origin were sometimes shown on top of other aligned sequences in linear maps.
    (Reported by Leonid)
  • Prevented duplication of files when moving between folders in a collection on Windows.
    (Reported by John)
  • Restored the ability to browse to a collection on Windows when using "Save to Collection".
    (Reported by Carles Alvarez)
  • Allowed non-native files to be saved to the appropriate collection folder.
    (Reported by Carles Alvarez)
  • Fixed a crash that could occur when opening the Preferences dialog on Ubuntu Linux.
    (Reported by Olivier Bertini)
  • Improved the importer for DNA Strider files.
    (Reported by Francesca Mattiroli)
  • Ensured consistent computation of the primer overlap length and Tm for NEB HiFi assembly.
    (Reported by Nan Liang)
  • Improved map labels when importing certain protein sequences from NCBI by ignoring the KEYWORDS field.
  • Removed the "Order" button from various dialogs where it was not appropriate.
  • Prevented the "Order" button from being visible when no or multiple DNA sequences are selected in a collection.
  • Ensured that aligned sequences that wrap around the numerical origin are always visible when viewing a downstream aligned region in Sequence view.
  • Enabled unsaved sequences imported from NCBI to be saved to a collection.
  • Allowed for simple case changes when renaming a file in a collection.
  • Improved the behavior for dragging and dropping files in a collection.
  • Fixed various issues with saving to a collection where the expected default folder was not always selected or the Save button was not always enabled when appropriate.
  • Corrected errors with the rendering of site features in protein sequences.

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