α-半乳糖苷酶:活力:≥9units/mg solid
活力定义:One unit will hydrolyze 1.0 μmole of p-nitrophenyl α-D-galactoside to p-nitrophenol and D-galactose per min at pH 6.5 at 25℃
性状:灰白色粉末用途:生化研究。利用 α半乳糖苷酶的转移酶活性,可改造环糊精
胶原酶:活力定义:One FALGPA hydrolysis unit hydrolyzes 1.0 μmole of furylacryloyl-Leu-Gly-Pro-Ala per min at pH 7.5 at 25 °C in the presence of calcium ions。One neutral protease unit hydrolyzes casein to prod