title: Molecular aspects of the properdin system.
mesh_terms: D001665:Binding Sites; D050577:Complement C3-C5 Convertases; D003179:Complement C3b; D003180:Complement C3b Inactivator Proteins; D003182:Complement C5; D011415:Complement Factor B; D011416:Complement Factor D; D006801:Humans; D008968:Molecular Conformation; D011414:Properdin / Q000502:physiology; D011498:Protein Precursors / Q000276:immunology
chemical_list: D003180:Complement C3b Inactivator Proteins; D003182:Complement C5; D011498:Protein Precursors; D011414:Properdin; D003179:Complement C3b; D050577:Complement C3-C5 Convertases; C493488:CFD protein, human; D011416:Complement Factor D; D011415:Complement Factor B