Multiple alignment: Feng-Doolittle algorithm. Why multiple alignments?. Alignment of more than two sequences Usually gives better information about conserved regions and function (more data) Better estimate of significance when using a sequence of unknown function - PowerPoint PPT Presentation
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Multiple alignment: Feng-Doolittle algorithm
Notice that this method does not guarantee the optimum alignment; just a good one.
Gaps are preserved from alignment to alignment: “once a gap, always a gap”