title: The reaction of zymosan with the properdin system in normal and C4-deficienct guinea pig serum. Demonstration of C3- and C5-cleaving multi-unit enzymes, both containing factor B, and acceleration of their formation by the classical complement pathway.
mesh_terms: D000818:Animals; D000906:Antibodies; D003169:Complement Inactivator Proteins; D003165:Complement System Proteins / Q000302:isolation & purification*; D006168:Guinea Pigs / Q000276:immunology; D007106:Immune Sera; D007153:Immunologic Deficiency Syndromes / Q000276:immunology*; D007700:Kinetics; D009097:Multienzyme Complexes / Q000378:metabolism; D009500:Neutralization Tests; D011414:Properdin / Q000378:metabolism*; D011817:Rabbits / Q000276:immunology; D012911:Snakes; D014688:Venoms / Q000302:isolation & purification; D015054:Zymosan / Q000378:metabolism*
chemical_list: D000906:Antibodies; D003169:Complement Inactivator Proteins; D007106:Immune Sera; D009097:Multienzyme Complexes; D014688:Venoms; D011414:Properdin; D003165:Complement System Proteins; D015054:Zymosan