Category:Complement system

Pathways

Activators/enzymes

Early	C: C1 C1q C1r C1s C4 C4A C4B C2 L: MASP1/MASP2 MBL A: Factor B Factor D Factor P/Properdin
Middle	C3 C3a C3b/iC3b C5 C5a C5b C3-convertase C5-convertase
Late	MAC C5b C6 C7 C8 C9

Inhibitors

Function

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