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Immobilized Earthworm Fibrinolytic Enzyme III-1 with Carbonyldiimidazole Activated-agarose

[ Vol. 9 , Issue. 1 ]

Author(s):

Xue-Qin Wu, Cen Wu and Rong-qiao He   Pages 75 - 80 ( 6 )

Abstract:


Earthworm fibrinolytic enzyme III-1 (EFE-III-1) was prepared to couple with cross-linking agarose activated by 1,1-Carbonyl-diimidazole (CDI) in this study. Although the activity of the immobilized protease decreased to approximately 64% of the native enzyme, the activity of EFE-III-1 coupled with the resin activated by CDI was higher than that activated by cyanogen bromide (CNBr). The immobilized protease was experimentally demonstrated to hydrolyze IgG, albumin and creatine kinase, besides fibrin(ogen) and plasmin(ogen), suggesting that EFE had a broad substrate specificity.

Keywords:

Earthworm fibrinolytic enzyme III-1 (EFE-III-1), carbonyl-diimidazole (CDI), CDI-activated-Sepharose, Sepharose CL-6B, serine-protease

Affiliation:

Lab of Visual Information Processing, Academic Center of Brain and cognition, Institute of Biophysics, The Chinese Academy of Sciences, 15 Da Tun Rd, Beijing 100101 PR China



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