- ¥800 - 1380
- HZbscience
- 中国/美国/德国
- HZ00911
- 2025年07月06日
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- 详细信息
- 技术资料
- 保存条件：
-20℃
- 保质期：
半年
- 英文名：
pTrcHis2B
- 库存：
200
- 供应商：
沪震生物
- 规格：
5ug
pTrcHis2B
产品信息
| 产品货号 | 产品名称 | 产品规格 | 优惠价 |
|---|---|---|---|
| HZ00911 | pTrcHis2B | 20μl |
¥请询价 |
使用说明
沪震质粒平台的各批次质粒菌株发货前均经过严格的多重验证，如存在质量问题，请在收到产品的三个月内通知我司。收到质粒后请短暂离心，取2μl转化至对应感受态中，挑取单克隆重新提取质粒后使用。
基本信息
| 启动子: | Trc/lac |
|---|---|
| 复制子: | PBR322 ori |
| 终止子: | rrnB TT |
| 质粒分类: | 大肠杆菌载体；pTrc系列表达质粒 |
| 质粒大小: | 4404bp |
| 质粒标签: | C-His，C-Myc |
| 原核抗性: | 氨苄青霉素Amp |
| 克隆菌株: | DH5α |
| 培养条件: | 37℃，有氧，LB |
| 表达宿主: | 大肠杆菌 |
| 诱导方式: | IPTG或乳糖及其类似物 |
| 5'测序引物: | pTrcHis-F: GAGGTATATATTAATGTATCG |
| 3'测序引物: | pTrcHis-R:GATTTAATCTGTATCAGG |
| 备注: | pTrc表达质粒 |
质粒简介
The pTrcHis2 plasmids are pBR322-derived expression vectors designed for efficient recombinant protein expression and purification in E. coli. High levels of expression are possible using the trc (trp-lac) promoter (Egon et al., 1983) and the rrnB anti-termination region (Li et al., 1984). The trc promoter contains the –35 region of the trp promoter together with the –10 region of the lac promoter (Brosius et al., 1985; Egon et al., 1983; Mulligan et al., 1985). To regulate expression, the gene encoding Lac repressor (lacIq) is provided in the pTrcHis2 vectors, allowing regulation of the trc promoter regardless of whether the host strain contains a gene encoding the Lac repressor.
Isopropyl-Beta-D-thiogalactopyranoside (IPTG) is used to induce expression of your gene. Translation is enhanced by the bacteriophage T7 gene 10 translation enhancer and a minicistron that provides highly efficient translational restart into the open reading frame of the multiple cloning site. DNA inserts are positioned downstream and in frame with the initiation ATG and a C-terminal fusion peptide. The C-terminal peptide encodes the myc epitope and six histidine residues that function as a metal binding site in the expressed protein.
Isopropyl-Beta-D-thiogalactopyranoside (IPTG) is used to induce expression of your gene. Translation is enhanced by the bacteriophage T7 gene 10 translation enhancer and a minicistron that provides highly efficient translational restart into the open reading frame of the multiple cloning site. DNA inserts are positioned downstream and in frame with the initiation ATG and a C-terminal fusion peptide. The C-terminal peptide encodes the myc epitope and six histidine residues that function as a metal binding site in the expressed protein.
质粒图谱
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