Plasminogen activation with single-chain urokinase-type plasminogen activator (scu-PA). Studies with active site mutagenized plasminogen (Ser740---->Ala) and plasmin-resistant scu-PA (Lys158---->Glu) - Lijnen, HR; Van Hoef, B; Nelles, L (J Biol Chem, 1990)
et al.