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Title:
THROMBOLYTIC ENZYME AND METHOD OF OBTAINING SAME
Document Type and Number:
WIPO Patent Application WO/1996/019999
Kind Code:
A1
Abstract:
The proposed thrombolytic enzyme is capable of hydrolysing exo- and endo-'epsilon'-('gamma'-Glu)-Lys-isopeptide bonds in synthetic substrates, in stabilised fibrin and its D-D-fragment with a partial amino acid sequence and the structure of the corresponding gene and two additional genes of the same family; glycine residues are found in the primary structure of the protein at positions 15, 21, 24, 28, 33, 46, 49, 50. The proposed method of obtaining the thrombolytic enzyme from saliva or preparations containing the same from medicinal leeches involves affine chromatography on antibodies to the native enzyme immobilised on a solid substrate, followed by purification of the enzyme by ion-exchange chromatography and gel filtration.

Inventors:
SVERDLOV EVGENY DAVIDOVICH (RU)
BASKOVA IZOLDA PORFIRIEVNA (RU)
ZAVALOVA LYUDMILA LVOVNA (RU)
LUKYANOV SERGEI ANATOLIEVICH (RU)
BARSOVA EKATERINA VLADIMIROVNA (RU)
BOGDANOVA EKATERINA ANDREEVNA (RU)
Application Number:
PCT/RU1995/000102
Publication Date:
July 04, 1996
Filing Date:
May 25, 1995
Export Citation:
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Assignee:
INST BIOORG CHIMII (RU)
SVERDLOV EVGENY DAVIDOVICH (RU)
BASKOVA IZOLDA PORFIRIEVNA (RU)
ZAVALOVA LYUDMILA LVOVNA (RU)
LUKYANOV SERGEI ANATOLIEVICH (RU)
BARSOVA EKATERINA VLADIMIROVNA (RU)
BOGDANOVA EKATERINA ANDREEVNA (RU)
International Classes:
C12N9/48; A61K35/62; A61K38/00; A61P7/02; C07K1/16; C07K1/18; C07K1/22; C07K14/435; C12N9/64; (IPC1-7): A61K35/62; A61K38/00
Foreign References:
EP0347376A21989-12-20
US5114922A1992-05-19
DE3939801A11991-06-06
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