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HIV sequence database

Gap Squeeze Tool

Purpose: This tool takes a nucleotide alignment and removes all columns that contain 100% gaps.

Using the form below, browse for your alignment file or paste it into the space provided. If your alignment uses gap characters other than "-" enter them in the Gap character(s) box.

Paste alignment
or upload alignment file
Gap character(s)
Deleted columns should be Shown Preserved
Preserve codon alignment check to delete columns only in groups of 3
Reading frame of alignment

last modified: Mon Mar 15 14:45 2010

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