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Scan PS is a web-based program that implements a modified version of the Needleman-Wunsch algorithm.

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Scan PS is a web-based program that implements a modified version of the Needleman-Wunsch algorithm.

(a) True

(b) False

The question was posed to me by my college professor while I was bunking the class.

Question is taken from Database Searching with the Smith in chapter Database Similarity Searching of Bioinformatics

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Right option is (b) False

Explanation: ScanPS (Scan Protein Sequence) is a web-based program that implements a modified version of the Smith–Waterman algorithm optimized for parallel processing. The major feature is that the program allows iterative searching similar to PSI-BLAST, which builds profiles from one round of search results and uses them for the second round of database searching. Full dynamic programming is used in each cycle for added sensitivity.

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