the possibility of activating factor xii with other porteinases was examined using factor xa [ ec 3.4.21.6 ] , factor xiia , kallikreins [ ec 3.4.21.8 ] , urokinase [ ec 3.4.99.26 ] , trypsin [ ec 3.4.21.4 ] , ficin [ ec 3.4.22.3 ] , papain [ ec 3.4.22.2 ] , and bromelain [ ec 3.4.22.4 ] .
C0015525
factor xii
C0015527
factor xiia