PPACK is a synthetic peptide derivative. It also irreversibly and specifically inhibits thrombin-mediated platelet activation by binding with high affinity to the active site of thrombin (Ki = 0.24 nM).
ZK824859 is an oral available and selective inhibitor of urokinase plasminogen activator (uPA)(IC50s of 79 nM, 1580 nM and 1330 nM for human uPA, tPA, and plasmin, respectively).