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Table of Contents


Starting with IGB version 6.3, you can use IGB to visualize sequence alignment files alongside annotations and genome sequence.


  • BAM format (binary alignment format)
  • SAM format (plain text version of BAM)
  • PSLX format (output from the blat alignment tool)
  • VCF (with the appropropriate plug-invariant call format)

As with other file formats, IGB can open files from your local hard drive, from a Web site, or from a QuickLoad Quickload data source.

If you are loading BAM alignments from a Web site, IGB will first download your index (BAI) file and then use it to determine which part of the much larger BAM file to download whenever you click the Load Data button.