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Acta periodica technologica
2005, iss. 36, pp. 203-213
article language: English
document type: Original Scientific Paper
published on: 02/06/2007
doi: 10.2298/APT0536203K
Trypsin inhibition by ferrocene
University of Banja Luka, Faculty of Technology, Republic of Srpska, B&H


Many transition metals and their complexes show inhibitory effect on someproteolytic enzymes, including trypsin. Their inhibitory activity is based on the direct binding to the active site of trypsin, mimicking formation of a five-coordinate transition state required for the reaction. The influence of ferrocene on trypsin activity using N-α-benzoyl-DL-arginine p-nitroanilide as a substrate was investigated. Ferrocene was selected as a potential inhibitor because it belongs to the family oforganometallic, so called "sandwich " compounds, and its cyclopentadienyl rings might have an appropriate geometry. It was found that ferrocene decreases trypsin activity and the K. for ferrocene was found to be 39.8.



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