Keywords
c1 complex,complement component 1,c1,C1qr2s2,EC 3.4.21.41,activated complement C1r,C overbar 1r esterase,C1r,EC 3.4.21.42,C1 esterase,activated complement C1s,complement C overbar 1r,C1s,complement pathway,complement system,immune system,innate,immune,antigen-antibody complex,antibody,IgM,igG,IgG5,c1