Novel thrombin protein from consuming bugs

The description relates to a novel thrombin inhibiting protein from reduvii with a molecular weight of some 12000 Dalton and the N-terminus Glu-Gly-Gly-Glu-Pro-Cys-Ala-Cys-Pro-His-Ala-Leu-His-Arg-Val-Cys-Gly-Se r-Asp. The protein is useful in combatting diseases.