Diagram of an antigen surface graph. Nodes are residues and edges represent residues' spatial relation. Blue nodes are epitope residues, and orange ones are non-epitope residues. Dash lines are boundary edges between two clusters, while solid lines are edges within a cluster.
Zhao et al. BMC Bioinformatics 2012 13(Suppl 17):S20 doi:10.1186/1471-2105-13-S17-S20