Belvu: an X-windows viewer for multiple sequence alignments.

To run this belvu executable compiled on Ubuntu, you need to install GTK:

   sudo apt install libgtk2.0-0

For documentation, see: 

http://sonnhammer.org/Belvu.html
http://www.sanger.ac.uk/resources/software/seqtools/

REFERENCE:

If you use this program for your work, please reference:

"Scoredist: A simple and robust protein sequence distance estimator"
Erik LL Sonnhammer and Volker Hollich
BMC Bioinformatics 6:108 (2005) 
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Erik Sonnhammer, 2020-05-05