C4 Binding Protein Inhibition(C4BP)and Decay Acceleratin Factor (DAF 票要快身要特要秀质开8新质特总 AtHHi 899N99N9 C4h ●C4BP● DAI C4b C4 Factor 1 Inhibition of C4 升开开济精A行 RR精府精贵AR 9g9 999w6 C46 C4c C4d Also req es a cofactor C4a ane cofactor omplement receptor inhibito or 1(C3 inactivator or onglutino activa C4 ome inhibitor(Factor 1)inhibits C5 convertase