| 1 | Comparative Study on the Protease Inhibitors from Fish Eggs显示文摘The protease inhibitor was purified from five different fish eggs. The molecular weights of Pacific herring, chumsalmon, pond smelt, glassfish, and Alaska pollock egg protease inhibitors were 120, 89, 84.5, 17, and 16.8 kDa, respective-ly. The specific inhibitory activity of glassfish egg protease inhibitor was the highest followed by those of Pacific herring andAlaska pollock in order. The specific inhibitory activity and purity of glassfish egg protease inhibitor were 19.70 U mg -1 pro-tein and 164.70 folds of purification, respectively. Glassfish egg protease inhibitor was reasonably stable at 50 - 65 °C and pH 8,which was more stable at high temperature and pH than protease inhibitors from the other fish species. Glassfish egg pro-tease inhibitor was noncompetitive with inhibitor constant (Ki) of 4.44 nmol L-1. | Ustadi K.Y.Kim S.M.Kim | 2005 | Journal of Ocean University of China2005，4，3： | 8 |
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