Figure 1.

Histograms for the number of secondary structure elements (#SSE) in a protein graph. Top, left: One-domain proteins. Top, right: Two-domain proteins. Bottom, left: Three-domain proteins. Bottom, right: Four-domain proteins.

Emmert-Streib and Mushegian BMC Bioinformatics 2007 8:237   doi:10.1186/1471-2105-8-237
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