Purification of Human Plasma Kallikrein and Urokinase by Affinity Chromatography
- 1 September 1976
- journal article
- research article
- Published by Oxford University Press (OUP) in The Journal of Biochemistry
- Vol. 80 (3) , 507-511
- https://doi.org/10.1093/oxfordjournals.jbchem.a131305
Abstract
L-Homoarginine benzylester was coupled with Sepharose 4B and used for affinity chromatography of human plasma kallikrein [EC 3.4.21.8] and urokinase [EC 3.4.99.26]. The euglobulin fraction of human plasma was treated with disodium ethylenediamine-tetraacetate (EDTA) and activated with acetone, and then kallikrein was purified 16-fold by affinity chromatography. The yield of kallikrein activity on affinity chromatography was 53%. The purified preparation of human plasma kallikrein appeared to be homogenous on gel electrophoresis. Commercial urokinase was also purified 4.8-fold with 64% yield by affinity chromatography.Keywords
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