Rough Matching of Surface Patches

The positions of the linguistically characterized surface patches can be described by the coordinates of the centers of mass of these domains in 

FIGURE 5 Docking of molecular surfaces according to shape complementarity A big knob (A) fits into a big bag (B) (schematically). 

FIGURE 6 Shape fitting of similar molecules A) and (S) One-to-one correspondence of surface elements of the same class (schematically). 

---