Clustal
In Bioinformatics Clustal is a series of widely used computer programs for multiple sequence alignment. There have been many incarnations of Clustal that are listed below:
Clustal: The original software for progressive alignment based on a phylogenetic tree.
ClustalV: A rewrite of the original Clustal package that included phylogenetic tree reconstruction on the final alignment for the first time.
ClustalW: command line interface
ClustalX: This version has a graphical user interface.
Clustal Omega: Command line-only program.
The papers describing the clustal software have been very highly cited, with two appearing in a list of the most cited papers of all time.
The more recent version of the software available for Windows, Mac OS, and Unix/Linux. This program is available from the Clustal Homepage or European Bioinformatics Institute ftp server.
Input/Output
This program accepts a wide range of input formats, including NBRF/PIR, FASTA, EMBL/Swiss-Prot, Clustal, GCC/MSF, GCG9 RSF, and GDE.