beside the serine protease domain , the following sequence motifs , previously described in clr , were also found in cls : ( a ) two repeats of the type found in the ba fragment of complement factor b and in several other complement but also noncomplement proteins , ( b ) a cysteine-rich segment homologous to the repeats of epidermal growth factor precursor , and ( c ) a duplicated segment found only in clr and cls .
C0033453
complement factor b
C0009498
complement