Clustal X is a Windows interface for the ClustalW multiple sequence alignment program. It provides an integrated environment for performing multiple sequence and profile alignments and analysing the results.
The sequence alignment is displayed in a window on the screen. A versatile coloring scheme has been incorporated allowing you to highlight conserved features in the alignment. The pull-down menus at the top of the window allow you to select all the options required for traditional multiple sequence and profile alignment.
You can cut-and-paste sequences to change the order of the alignment; you can select a subset of sequences to be aligned; you can select a sub-range of the alignment to be realigned and inserted back into the original alignment.
Alignment quality analysis can be performed and low-scoring segments or exceptional residues can be highlighted.
ClustalW is a general purpose multiple sequence alignment program for DNA or proteins. It produces biologically meaningful multiple sequence alignments of divergent sequences.
It calculates the best match for the selected sequences, and lines them up so that the identities, similarities and differences can be seen. You can see evolutionary relationships via viewing Cladograms or Phylograms.
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