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经凝胶过滤法测得文昌鱼(Bronchiostoma belcheheri Gray)碱性磷酸酶的分子量为138,000,用等电聚焦电泳法测得其等电点为4.79,用氨基酸自动分析仪测得该酶的氨基酸组成共20种和1117个氨基酸残基。
The molecular weight of Bronchiostoma belcheheri Gray alkaline phosphatase was 138,000 as determined by gel filtration and the isoelectric point was 4.79 measured by isoelectric focusing electrophoresis. The amino acid composition of the enzyme was determined by amino acid analyzer A total of 20 species and 1117 amino acid residues.