kinetic constants of factor beta-xiia ( factor xii fragment ) for these substrates and for n-benzol-l-isoleusyl-l-glutamyl-glycyl-l-arginine-p-nitro ani lide ( s-2222 ) were determined , and they allowed the assessment of the contribution of this factor to this assay and its estimation in the activated phase .
C0015527
factor
C0015525
factor xii