to substantiate this finding , the complete sequence of complement activation products was investigated by a series of mono- and polyclonal antibodies to the complement proteins c1 , c2 , c3 , factor b , c5 , c9 to c5b-9 neoantigens and to the regulatory complement proteins c4 binding protein ( c4bp ) , factor i , factor h and properdin .
C0009528
complement activation
C0009516
complement proteins c4