title: The alternative complement pathway in bovine serum: the isolation of a serum protein with factor B activity.
mesh_terms: D000818:Animals; D001609:Beta-Globulins / Q000302:isolation & purification*; D002417:Cattle / Q000276:immunology*; D003167:Complement Activation; D050577:Complement C3-C5 Convertases / Q000378:metabolism; D011415:Complement Factor B / Q000302:isolation & purification*; D003170:Complement Pathway, Alternative; D004591:Electrophoresis, Polyacrylamide Gel; D004792:Enzyme Precursors / Q000302:isolation & purification*; D006461:Hemolysis; D006358:Hot Temperature; D007122:Immunoelectrophoresis; D008970:Molecular Weight
chemical_list: D001609:Beta-Globulins; D004792:Enzyme Precursors; D050577:Complement C3-C5 Convertases; D011415:Complement Factor B