Use of fragments of hirudin to investigate thrombin-hirudin interaction.

Abstract excerpt

Site-directed mutagenesis was used to create hirudin in which Asn52 was replaced by methionine. Cyanogen bromide cleavage at this unique methionine resulted in two fragments. These fragments have been used to study the kinetic mechanism of the inhibition of thrombin by hirudin and to identify areas of the two molecules which interact with each other. The binding of the C-terminal fragment (residues 53-65) to...

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