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. 2013 Nov 23;42(4):2126–2137. doi: 10.1093/nar/gkt1186

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© The Author(s) 2013. Published by Oxford University Press.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Figure 1. — chroGPS^factors visualizes functional associations between epigenetic factors. Similarity between 76 individual epigenetic factors (Supplementary Table S1), as determined from their genomic profiles with iOverlap, is represented in a heatmap with hierarchical clustering dendrogram (A) or 2D (B) and 3D (C) reference maps using classical MDS (left) or isoMDS (right). R² and stress (s) are indicated. Factors are colored according to their biological activity: RNApol II (purple), regulation of transcription (green), boundary/insulator function (gray), HP1-(blue) and Polycomb (PC)-dependent silencing (yellow). See also Supplementary Video S1 for visualization of the 3D-map in motion (Supplementary Section S10.1).