Tuner(DE3) pLysS Strain
Tuner(DE3) pLysS Strain
规格:
货期:
编号:TS276898
品牌:Testobio
| 产品名称： | Tuner(DE3) pLysS Strain |
|---|---|
| 商品货号： | TS276898 |
| 规格： | 100μl |
| 储存： | -20℃ |
| 基因型： | F– ompT hsdSB (rB– mB–) gal dcm lacY1(DE3) pLysS (CamR) |
| 基本信息： | 抗性：Chl 培养基：LB 菌株类别：大肠杆菌 培养条件：37℃，有氧，LB 质粒转化：42℃热激 保存方式：20%甘油，-20℃ 基本应用：用于蛋白表达 备注： |
| 菌株简介： | Tuner strains are lacZY deletion mutants of BL21 and enable adjustable levels of protein expression throughout all cells in a culture. The lac permease (lacY) mutation allows uniform entry of IPTG into all cells in the population, which produces a concentration-dependent, homogeneous level of induction. By adjusting the concentration of IPTG, expression can be regulated from very low levels up to the robust, fully induced levels commonly associated with pET vectors. Lower-level expression may enhance the solubility and activity of difficult target proteins. DE3 indicates that the host is a lysogen of λDE3, and therefore carries a chromosomal copy of the T7 RNA polymerase gene under control of the lacUV5 promoter. Such strains are suitable for production of protein from target genes cloned in pET vectors by induction with IPTG. pLysS strains express T7 lysozyme, which further suppresses basal expression of T7 RNA polymerase prior to induction, thus stabilizing pET recombinants encoding target proteins that affect cell growth and viability. |
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| 产品名称： | Tuner(DE3) pLysS Strain |
|---|---|
| 商品货号： | TS276898 |
| 规格： | 100μl |
| 储存： | -20℃ |
| 基因型： | F– ompT hsdSB (rB– mB–) gal dcm lacY1(DE3) pLysS (CamR) |
| 基本信息： | 抗性：Chl 培养基：LB 菌株类别：大肠杆菌 培养条件：37℃，有氧，LB 质粒转化：42℃热激 保存方式：20%甘油，-20℃ 基本应用：用于蛋白表达 备注： |
| 菌株简介： | Tuner strains are lacZY deletion mutants of BL21 and enable adjustable levels of protein expression throughout all cells in a culture. The lac permease (lacY) mutation allows uniform entry of IPTG into all cells in the population, which produces a concentration-dependent, homogeneous level of induction. By adjusting the concentration of IPTG, expression can be regulated from very low levels up to the robust, fully induced levels commonly associated with pET vectors. Lower-level expression may enhance the solubility and activity of difficult target proteins. DE3 indicates that the host is a lysogen of λDE3, and therefore carries a chromosomal copy of the T7 RNA polymerase gene under control of the lacUV5 promoter. Such strains are suitable for production of protein from target genes cloned in pET vectors by induction with IPTG. pLysS strains express T7 lysozyme, which further suppresses basal expression of T7 RNA polymerase prior to induction, thus stabilizing pET recombinants encoding target proteins that affect cell growth and viability. |
