References
Paquet E, Viktor H: An exhaustive Shape-based approach for proteins' Secondary, Tertiary and Queaternary Structures Indexing, Retrieval and Docking. Prot Struct. 2012, 121-132.
Binkowski T, Joachimiak A: Protein Functional Surfaces: Global Shape Matching and Local Spatial Alignments of Ligand Binding Sites. BMC Struct Biol. 2008, 8:
Shape Toolkit 1.9.1: OpenEye Scientific Software, Santa Fe, NM. [http://www.eyesopen.com]
Spicoli Toolkit 1.2.1: OpenEye Scientific Software, Santa Fe, NM. [http://www.eyesopen.com]