Human C3a and C3a desArg anaphylatoxins have conserved structures, in contrast to C5a and C5a desArg.
Bajic, G., Yatime, L., Klos, A., Andersen, G.R.(2013) Protein Sci 22: 204-212
- PubMed: 23184394 
- DOI: 10.1002/pro.2200
- Primary Citation of Related Structures:  
4HW5, 4HWJ - PubMed Abstract: 
Complement is a part of innate immunity that has a critical role in the protection against microbial infections, bridges the innate with the adaptive immunity and initiates inflammation. Activation of the complement, by specific recognition of molecular ...