title: Properdin--its biologic importance.
mesh_terms: D003169:Complement Inactivator Proteins; D006720:Homozygote; D006801:Humans; D007153:Immunologic Deficiency Syndromes / Q000097:blood / Q000235:genetics / Q000628:therapy; D009895:Opsonin Proteins; D011414:Properdin / Q000502:physiology / Q000627:therapeutic use
chemical_list: D003169:Complement Inactivator Proteins; D009895:Opsonin Proteins; D011414:Properdin