title: Structural biology: origins of chemical biodefence.
authors.forename: Robert
authors.initials: R
authors.lastname: Liddington
authors.forename: Laurie
authors.initials: L
authors.lastname: Bankston
mesh_terms: D003167:Complement Activation; D003176:Complement C3 / Q000737:chemistry* / Q000276:immunology* / Q000378:metabolism; D015932:Complement C3c / Q000737:chemistry / Q000378:metabolism; D018360:Crystallography, X-Ray; D019143:Evolution, Molecular; D008954:Models, Biological; D008958:Models, Molecular; D017434:Protein Structure, Tertiary
chemical_list: D003176:Complement C3; D015932:Complement C3c