Mount DW. Studies of varying alignment algorithm, amino Acid scoring matrix, and gap penalties.
Cold Spring Harb Protoc 2008;
2008:pdb.ip60. [PMID:
21356841 DOI:
10.1101/pdb.ip60]
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Abstract
INTRODUCTIONComparing different amino acid scoring matrix-gap penalty combinations poses several problems. For example, the analysis often overlooks the purposes of different matrices; e.g., protein family or domain searching, evolutionary analysis, or structural alignment. In the past, gap penalties were usually not published or well known, thus throwing a level of uncertainty into the results. More recently, when investigators publish a new scoring matrix, they usually provide suitable choices for gap penalties that may be used for comparisons with other matrices. This article summarizes a number of reports that have examined combinations of alignment algorithm, scoring matrix, and gap penalties used to align sequences for various purposes.
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