Complement-activating component of Ra-reactive factor [Precursor], EC 3.4.21.-, Ra-reactive factor serine protease p100, RaRF, Mannan-binding lectin serine protease 1, Mannose-binding protein-associated serine protease, MASP-1, Serine protease 5, Complement-activating component of Ra-reactive factor heavy chain, Complement-activating component of Ra-reactive factor light chain, MASP1, CRARF, CRARF1, PRSS5