3.4.21.46	complement component C3bB + H2O	-	
3.4.21.46	complement factor B + H2O	-	
3.4.21.46	additional information	the enzyme is a component of the alternative pathway of human complement	
3.4.21.46	additional information	factor D causes a dose-dependent decrease of the formyl-norleucyl-Leu-Phe-norleucyl-Tyr-Leu-stimulated lactoferrin degranulation	
3.4.21.46	additional information	complement factor D mediates rosette formation of malaria infected bood cells