3.4.21.47	(C3b)n,Bb, (CVF)-dependent glycine-rich-beta-glucoprotein, alternative C3 convertase, alternative C5 convertase, alternative complement pathway C3 convertase, alternative complement pathway C3(C5) convertase, alternative pathway C3 convertase, alternative pathway C3 convertase complex, alternative pathway C3-convertase, alternative pathway C3/C5 convertase, alternative pathway C5 convertase, alternative pathway of complement C3/C5 convertase, alternative-complement-pathway C3/C5 convertase, AP C3 convertase, AP C3-convertase, AP C3/C5 convertase, AP C5 convertase, APC C3/C5 convertase, C3 convertase, C3 proactivator, C3/C5 convertase, C3b,Bb, C3b2, C3bB complex, C3bBb, C3bBb convertase, C3bBb3b, C3bBbC3b, C5 convertase, cobra venom factor-dependent C3 convertase, complement alternative pathway C3 convertase, complement C 3(C 5) convertase (amplification), complement C5 convertase, complement component C3/C5 convertase (alternative), convertase, complement C3(C5) (amplification), CVF,Bb, CVFh,Bb, CVFn,Bb, GBG, Glycine-rich beta glycoprotein, heat-labile factor, PBF2, proenzyme factor B, properdin factor B	-	-, 649689, 649815, 652225, 652672, 680169, 683294, 683734, 683886, 683890, 683917, 684065, 698871, 699342, 701017, 707846, 707849, 707855, 709002, 709360, 709984, 710039, 710040, 710434, 732056, 732572, 732705, 732819, 752433, 753082, 753422, 753663, 754745, 755170	
3.4.21.47	C5 convertase	binding of an additional C3b molecule to the C3 convertase forms the C5 convertase (C3bBbC3b) of the alternative pathway	707846	
3.4.21.47	C3bBb	C3 convertase	753663	
3.4.21.47	C3bBb(C3b)n	C5 convertase	753663