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nw is an implementation of the Needleman and Wunsch dynamic programming sequence alignment algorithm. It reads PIR format sequence files and reports sequence similarity calculated in a number of different ways. Optionally it can generate a PIR format alignment file.


nw is freely available for use by not-for-profit organisations. Commerical use is not permitted without the permission of the author. It is supplied as a gzipped tar file of source code.