NCIt definition : Complement C2 (752 aa, 83 kDa) is encoded by the human C2 gene. This protein is involved
in post-translational protein processing and complement activity.;
NCIt note : Complement C2 is cleaved by activated factor C1 into two fragments: C2b and C2a. C2a
is a serine proteainase that combines with complement factor C4b to form the C3 or
C5 convertase. (UniProt);