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不同的酶切位点

ApaI (类型:Type II restriction enzyme )识别序列:5'GGGCC^C 3' BamHI(类型:Type II restriction enzyme )识别序列:5' G^GATCC 3' BglII (类型:Type II restriction enzyme )识别序列:5' A^GATCT 3' EcoRI (类型:Type II restriction enzyme )识别序列:5' G^AATTC 3' HindIII (类型:Type II restriction enzyme )识别序列:5' A^AGCTT 3' KpnI (类型:Type II restriction enzyme )识别序列:5' GGTAC^C 3' NcoI (类型:Type II restriction enzyme )识别序列:5' C^CATGG 3' NdeI (类型:Type II restriction enzyme )识别序列:5' CA^TATG 3' NheI (类型:Type II restriction enzyme )识别序列:5' G^CTAGC 3' NotI (类型:Type II restriction enzyme )识别序列:5' GC^GGCCGC 3' SacI (类型:Type II restriction enzyme )识别序列:5' GAGCT^C 3' SalI (类型:Type II restriction enzyme )识别序列:5' G^TCGAC 3' SphI (类型:Type II restriction enzyme )识别序列:5' GCATG^C 3' XbaI (类型:Type II restriction enzyme )识别序列:5' T^CTAGA 3' XhoI (类型:Type II restriction enzyme )识别序列:5' C^TCGAG 3'
Trx-tag硫氧还蛋白标签是个融合标签,有利于蛋白可溶性表达。

His-tag是纯化标签,能与Ni柱亲和层析,便于下游蛋白纯化,2个His-tag分别设计在N,C 端、自己通过选择酶切位点选择其中的一个就可以。

S-tag是用于做western blotting 分子杂交鉴定的,能与Anti-S-tag产生抗原抗体反应。

thrombin 不是凝血酶,是凝血酶酶切位点,enterokinase也不是肠激酶,而是肠激酶酶切位点,因为pET32是融合表达载体,为了让你可以得到非融合的目标蛋白,设计了这两个蛋白酶酶切位点,用于表达后的融合标签去除。

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