Abstract
A low molecular weight protein complexed with chymase was isolated from hamster cheek pouch tissues. This protein had an apparent molecular mass of about 10 kDa on SDS-PAGE and the N-terminal sequence showed some homology to secretory leukocyte protease inhibitor (SLPI), which is known as the predominant inhibitor of neutrophil elastase and cathepsin G. Remarkably enhanced inhibition of chymase activity was achieved in the presence of heparin, indicating that the functional property was also similar to SLPI. These findings suggest that this SLPI-like protein is a candidate for a physiological inhibitor of chymase.
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Schedule a callMore From: Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology
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