Inhibition of elastin hydrolysis, catalyzed by human leukocyte elastase and cathepsin G, by the Bowman-Birk type soy inhibitor

Tikhonova, T.V.; Gladysheva, I.P.; Kazanskaia, N.F.; Larionova, N.I.

Biokhimiia 59(11): 1739-1745


ISSN/ISBN: 0320-9725
PMID: 7873681
Accession: 043412102

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Cathepsin G stimulates the hydrolysis of elastin from bovine neck ligament catalyzed by human leukocyte elastase. Stimulation factor depends on the ratio of the enzyme concentrations and ionic strength and equals 1.0-2.0. The classical Bowman-Birk inhibitor from soya retards strongly the hydrolysis of elastin catalyzed by leukocyte elastase, cathepsin G and the mixture of both. The inhibitory effect is practically unaffected by the adsorption of the enzymes on elastin, prolongation of the enzymatic reaction and ionic strength.