Sequence: H-Gly-Pro-Arg-Pro-OH

Anticoagulant and antithrombotic peptides. Please see also the product family 'Hirudin Fragments and Analogs', the inhibitors N-1065, N-1215, N-1260, N-1565, and N-1970, and the anticoagulant anisindione, Q-1085.

GPRP (H-2935) inhibits fibrinogen/thrombin clotting, though it is less active than its C-terminal amide GPRP-NH₂ (H-1998).