TY - RPRT TI - Structures of complement component C3 provide insights into the function and evolution of immunity. AU - Bert J C Janssen AU - Eric G Huizinga AU - Hans C A Raaijmakers AU - Anja Roos AU - Mohamed R Daha AU - Kristina Nilsson-Ekdahl AU - Bo Nilsson AU - Piet Gros PY - 2005 DO - 10.1038/nature04005 UR - https://pubmed.ncbi.nlm.nih.gov/16177781/ ID - 16177781 ER -