Chapter title |
Analyzing Glycan-Binding Profiles Using Weighted Multiple Alignment of Trees
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Chapter number | 10 |
Book title |
Data Mining for Systems Biology
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Published in |
Methods in molecular biology, January 2018
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DOI | 10.1007/978-1-4939-8561-6_10 |
Pubmed ID | |
Book ISBNs |
978-1-4939-8560-9, 978-1-4939-8561-6
|
Authors |
Kiyoko F. Aoki-Kinoshita, Aoki-Kinoshita, Kiyoko F. |
Abstract |
This chapter describes the Multiple Carbohydrate Alignment with Weights (MCAW) tool, which is available as a part of the RINGS (Resource for INformatics of Glycomes at Soka) website. It implements a combination of KCaM (Aoki, Yamaguchi, Ueda, et al., Nucl Acids Res 32:W267-W272, 2004), a pairwise glycan alignment algorithm, and ClustalW (Thompson, Higgins, Gibson, Nucleic Acids Res 22:4673-80, 1994), a weighted multiple protein sequence alignment algorithm. This tool computes the multiple glycan alignment by first computing a guide tree to determine the order by which to progressively add glycans to the multiple alignment. The dynamic programming algorithm results in a glycan profile of the alignment glycans, containing "monosaccharide positions" indicating the ratio of monosaccharides and their glycosidic bonds that are aligned at the corresponding position. This tool has been used to analyze databases of glycan array experimental data, incorporating weights to reflect the biological significance of certain glycans over others. As a result, it has been shown that the alignments obtained are biologically relevant, matching the results as found in the literature. |
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