Figure 1 - full size

 

Figure 1.
Figure 1. Cartoon Representation of C3-Convertase FormationC3b attached to an activating surface binds factor B, which undergoes conformational changes suitable for the cleavage by factor D, resulting in C3-convertase formation.

The above figure is reprinted by permission from Cell Press: Mol Cell (2004, 14, 17-28) copyright 2004.