期刊文献+

芸苔(菜心)茎叶中的几丁质结合蛋白的分离纯化和某些特性分析

Isolation and Purification and Some Characteristic Analysis of Chitin-Binding Proteins from Stems and Leaves of Brassica campestris L.
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摘要 用脱氨再生几丁质亲和层析和羧甲基-纤维素CM52离子交换柱层析从芸苔(菜心)的茎叶中纯化了4种几丁质结合蛋白:CBPa、CBPb、CBPc和CBPd,SDS-PAGE显示CBPa和CBPb的分子量分别为29.04kDa和30.68kDa,凝胶过滤方法测定CBPa和CBPb的分子量分别为29.04kDa和31.2kDa,表明两者都是单体酶。4种CBP蛋白均有几丁质酶活性,其中CBPa和CBPb还有溶菌酶活性。EDTA对CBPa和CBPb溶菌酶的活性均无影响,各种类型的几丁质对CBPa和CBPb都有较强的吸附作用,PAS染色法分析表明CBPa和CBPb均为糖蛋白。
出处 《植物生理学通讯》 CAS CSCD 北大核心 2009年第11期1110-1114,共5页 Plant Physiology Communications
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参考文献16

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