Tissue-type plasminogen activator (tPA) interacts with urokinase-type plasminogen activator (uPA) via tPA’s lysine binding site. An explanation of the poor fibrin affinity of recombinant tPA/uPA chimeric molecules - Novokhatny, V; Medved, L; Lijnen, HR (J Biol Chem, 1995)
et al.