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1·PP1 has evolved effective catalytic machinery but lacks substrate specificity.

PP 1演变了有效的催化作用但缺乏底物特异性。

2·The substrate specificity showed that the alkaline cellulase was an endo type cellulase.

酶的底物特异性表明，该碱性纤维素酶主要为内切型酶。

3·The substrate specificity of O-antigen glycosyltransferases and polymerases are proposed.

讨论了O 抗原糖基转移酶和聚合酶对底物的特异性；

4·Lipase has wide specificity for substrate, high stereoselectivity and plays very important role in the bioorganic synthesis.

脂肪酶具有宽的底物专一性、高的立体选择性，在生物有机不对称合成中扮演着重要的角色。

5·These three proteases are similar in substrate and inhibitor specificity.

这三种蛋白酶具有相似的底物特异性和抑制剂特性。

6·The said discontinuous xylo-pfan isomerase has improved specificity to the substrate D-wood sugar without changing original heat endurance.

该突变的木糖异构酶 在没有改变原有热稳定性的基础上，提高了对底物D-木糖的特异性。