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Nat Protoc. 2011 Mar;6(3):285-95. doi: 10.1038/nprot.2010.197. Epub 2011 Feb 10.

Comprehensive cluster analysis with Transitivity Clustering.

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Buck Institute for Age Research, Novato, California, USA.


Transitivity Clustering is a method for the partitioning of biological data into groups of similar objects, such as genes, for instance. It provides integrated access to various functions addressing each step of a typical cluster analysis. To facilitate this, Transitivity Clustering is accessible online and offers three user-friendly interfaces: a powerful stand-alone version, a web interface, and a collection of Cytoscape plug-ins. In this paper, we describe three major workflows: (i) protein (super)family detection with Cytoscape, (ii) protein homology detection with incomplete gold standards and (iii) clustering of gene expression data. This protocol guides the user through the most important features of Transitivity Clustering and takes ∼1 h to complete.

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