Metal-Binding Activity of the Soluble Recombinant Pig Metallothionein 1A Expressed in Escherichia coli
Metal-Binding Activity of the Soluble Recombinant Pig Metallothionein 1A Expressed in Escherichia coli
复制标题
大肠杆菌中表达的可溶性重组猪金属硫蛋白 1A 的金属结合活性
DOI:
10.1007/s12011-012-9470-1
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发表时间:
2012-07
影响因子:
3.9
通讯作者:
Jun Bao
中科院分区:
文献类型:
--
作者:
Dongbo Sun;Hong Zhang;Guojun Wu;Qinghe Zhu;Siwen Lv;Rui Wu;Jun Bao
Full-length cDNA for the pig metallothionein 1A (pMT1A) gene was synthesized based on the pig MT1A gene sequence in Genbank and cloned into the pMD18-T vector. After sequence analysis and structure prediction, the pMT1A gene was cloned into vector pET-32a (+) containing a His-tag. The recombinant pMT1A (rpMT1A) was expressed in a soluble form using Escherichia coli Rosetta™ (DE3) plysS cells. Western blotting showed that the purified rpMT1A protein bound an anti-His-tag monoclonal antibody. Further investigation revealed that the rpMT1A protein showed high metal-binding activity with the divalent metal ions copper (Cu²⁺), zinc (Zn²⁺), and cadmium (Cd²⁺).
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影响因子:
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通讯作者:
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