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A novel toad lysozyme (named BA-lysozyme) was purified from skin secretions of Bufo andrewsi by a three-step chromatography procedure. BA-lysozyme is a single chain protein and the apparent molecular weight is about 15 kDa as judged by SDS-PAGE. The specific lytic activity against Micrococcus lysodeikticus of BA-lysozyme is 2.7×10 5 units/mg, indicating that it is a potent lysozyme. It displayed...
A novel protein, named BAS-AH, was purified and characterized from the skin of the toad Bufo andrewsi. BAS-AH is a single chain protein and the apparent molecular weight is about 63kDa as judged by SDS-PAGE. BAS-AH was determined to bind heme (0.89mol heme/mol protein) as determined by pyridine haemochrome analysis. Fifty percentage cytotoxic concentration (CC 50 ) of BAS-AH on C8166 cells...
Amphibian skin secretions contain many bioactive compounds. In the present work, an irreversible serine protease inhibitor, termed baserpin, was purified for the first time from the skin secretions of toad Bufo andrewsi by successive ion-exchange and gel-filtration chromatography. Baserpin is a single chain glycoprotein, with an apparent molecular weight of about 60kDa in SDS-PAGE. Baserpin is an...
A novel trypsin inhibitor termed BATI was purified to homogeneity from the skin extracts of toad Bufo andrewsi by successive ion-exchange, gel-filtration and reverse-phase chromatography. BATI is basic single chain glycoprotein, with apparent molecular weight of 22kDa in SDS-PAGE. BATI is a thermal stable competitive inhibitor and effectively inhibits trypsin's catalytic activity on peptide substrate...
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