clustalw software package provides global multiple nucleotide or peptide sequence alignment, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install clustalw
clustalw is installed in your system.
Make ensure the clustalw package were installed using the commands given below,
$ sudo dpkg-query -l | grep clustalw *
You will get with clustalw package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Science |
| Package | clustalw |
| Version | 2.1+lgpl-2 |
| Description | global multiple nucleotide or peptide sequence alignment |
| Sub Section | Science |