顶青霉木聚糖酶的分离纯化与鉴定

被引:3
作者
杨瑞金
许时婴
王璋
机构
[1] 无锡轻工大学食品学院
关键词
顶青霉; 木聚糖酶; 分离纯化;
D O I
暂无
中图分类号
Q556 [水解酶];
学科分类号
摘要
使用硫酸铵分级沉淀、SephadexG-25凝胶色谱脱盐、DEAE-SephadexA-25和CM-SephadexC-50离子交换色谱等分离纯化技术,从顶青霉(Penciliumcorylophilum)培养液中分离到3种木聚糖酶组分,分别称为PartA、PartB和PartC.PartB和PartC经SephacrylS-200凝胶过滤色谱和ConA-Sepharose4B亲和色谱进一步分离纯化,分别得到2个纯木聚糖酶组分.PartB经SDS-PAGE鉴定为单带,相对分子质量为24200;PartC经SDS-PAGE鉴定基本为单带,相对分子质量为48300
引用
收藏
页码:41 / 46
页数:6
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