exposure of fresh human serum to two purified metalloproteases of s. marcescens strains sf 178 and sh 186 ( both of serotype o6/o14 : h12 ) at 35 degrees c , 3 h , resulted in altered electrophoretic mobility of the protease inhibitors alpha 1-antitrypsin and alpha 2-macroglobulin , alpha 2-hs-glycoprotein , and complement ( c ) components c1q , c1s , c3a , c3c , c4 , c5 , and c9 , but not c6 , c7 , c8 , and properdin , as determined with electroimmunoassays ( laurell technique ) .
C0229671
serum
C0009498
complement