Figure 5.

Extending to non-linear topologies via branching blocks. Several branching structures may be treated as blocks. Independent chains (shaded) must be chosen to parameterize the manifold of configurations satisfying closed chain constraints (open circles).

Zhang and Hauser BMC Structural Biology 2013 13(Suppl 1):S9   doi:10.1186/1472-6807-13-S1-S9