in vitro , the drug pentosan-poly-sulfoester ( pps ) changes the electrophoretic migration of different proteins from the complement and properdin systems , such as native c3 ( beta 1c globulin ) , c3c ( beta-1a globulin ) , c3d ( alpha-2d globulin ) , c1s inactivator ( clsina ) , clq and properdin factor b ( b ) .
C0009498
complement
C0033453
properdin factor b