title: Complement activation by the properdin system: formation of a stoichiometric. C3 cleaving complex of properdin factor B with C36.
mesh_terms: D003176:Complement C3; D003165:Complement System Proteins; D004591:Electrophoresis, Polyacrylamide Gel; D004798:Enzymes; D006801:Humans; D008274:Magnesium; D011414:Properdin; D011485:Protein Binding
chemical_list: D003176:Complement C3; D004798:Enzymes; D011414:Properdin; D003165:Complement System Proteins; D008274:Magnesium