最适PH:pH7.5。
最适温度40℃。
分子量:20000~60000。
性状:白色或微褐色粉末。
来源:灰色链霉菌。 Unite definition: The unit of non-specific protease activity is in general the enzyme activity that increases the rate of release of folin-positive amino acids and peptides from casein at a temperature of 40°C and pH 7.5 by a quantity equivalent to a given amount of tyrosine per minute. For the unit designated ‘U’, that quantity of tyrosine is 1 µmol/min
储存条件: -20℃
溶解性: 易溶于盐水和稀盐溶液。
裂开蛋白质的肽键,有极强的蛋白水解作用,能水解纤维蛋白、黏蛋白。