in the presence of catalytic amounts of plasma factor xiiia ( a thrombin-dependent extracellular transglutaminase ) or cellular transglutaminase ( a cytosolic enzyme ) , apolipoprotein b and other plasma apolipoproteins ( a-i , a-ii and c ) underwent covalently bridged polymerization and served as amine acceptor substrates .
C0007634
cellular
C1383501
cytosolic