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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 4.0.5 (Sep 14, 2017)


  • Added "Bacillus subtilis" to the list of organisms.
    (Requested by Maria Tang)
  • Relaxed the constraint for determining if a file is in SnapGene GenBank format, so that the last reference simply needs to have "SnapGene" in the JOURNAL field.
  • Sped up opening the most recent document.
  • Enhanced the display of segment boundaries in Sequence view.


  • Ensured that embedded files with &'s and other symbols in their names can be opened properly.
    (Reported by Joydeep Bhadury)
  • Fixed a regression that disrupted alphabetical listing of enzymes in the Choose Enzymes dialog and other contexts.
    (Reported by Dan Strongin)
  • Corrected the import parameters for natural DNA sequences in EMBL format.
    (Reported by Novozymes)
  • Fixed a regression that could result in recent files or collections not being shown in the various “Recent” menus after quitting and starting the application.
    (Reported by Ron Hart)
  • Restored normal function of the Align Full Sequences command on Windows.
    (Reported by Joel Särnefält)
  • Plugged several memory leaks.
  • Fixed a regression that prevented clearing lists of recent files and collections.

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