thrombin blood-clotting enzyme bound to argatroban drug molecule. thrombin converts soluble fibrinogen into insoluble fibrin.

acid activated alpha amino anticoagulant antithrombin argatroban atoms blood cascade clot clotting coagulation dabigatran direct disease factor fibrin health hirudin inhibitor melagatran model molecular molecule pdb1ppb peptide plasma polymer polypeptide protein prothrombin science scientific structure thinner thrombin thrombus vitamin ximelagatran