Structure of C3b reveals conformational changes that underlie complement activity.
Janssen, B.J., Christodoulidou, A., McCarthy, A., Lambris, J.D., Gros, P.(2006) Nature 444: 213-216
- PubMed: 17051160 
- DOI: 10.1038/nature05172
- Primary Citation of Related Structures:  
2I07 - PubMed Abstract: 
Resistance to infection and clearance of cell debris in mammals depend on the activation of the complement system, which is an important component of innate and adaptive immunity. Central to the complement system is the activated form of C3, called C3b, ...