abstract |
This invention relates to cyclic peptides having the following formula (I): DOLLAR A Cyclo (Xaa-Arg-Pro-Ala-Lys), DOLLAR A where Xaa, Ala, Gly, Glu, Gln, Asp, Asn, Arg or Lys. The cyclic peptides have thrombolytic effects. This invention also relates to the production of the cyclic peptides. |