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R 9g9 999w6 C46 C4c C4d Also req C4a esa cofactor ane cofactor omplement receptor inhibito Factor 1(C3 inactivator or onglutino activa C4 ome inhibitor(Factor 1)inhibits C5 convertase