产品名称
BL21(DE3)pLysS感受态细胞- Novagen, BL21 host strain that expresses T7 RNA polymerase and also encode T7 lysozyme that suppresses basal expression of toxic target proteins prior to induction.
biological source
Escherichia coli
Quality Segment
manufacturer/tradename
Novagen®
storage condition
OK to freeze, avoid repeated freeze/thaw cycles
growth mode
adherent or suspension
morphology
rod shaped
technique(s)
microbiological culture: suitable
cell transformation
transformation efficiency: >2×107 cfu/μg
shipped in
dry ice
storage temp.
−70°C
General description
BL21菌株是pET重组体蛋白表达最广泛使用的宿主,其优点是缺乏lon和ompT蛋白酶。
DE3表明宿主是λDE3的溶酶原,因此携带一个由lacUV5启动子控制的T7 RNA聚合酶基因的染色体拷贝。这些菌株适合于通过IPTG诱导从pET载体中克隆的靶基因生产蛋白质。
pLysS菌株表达T7溶菌酶,该溶菌酶在诱导前进一步抑制T7 RNA聚合酶的基本表达,从而稳定编码影响细胞生长和活力的靶蛋白的pET重组体。
DE3表明宿主是λDE3的溶酶原,因此携带一个由lacUV5启动子控制的T7 RNA聚合酶基因的染色体拷贝。这些菌株适合于通过IPTG诱导从pET载体中克隆的靶基因生产蛋白质。
pLysS菌株表达T7溶菌酶,该溶菌酶在诱导前进一步抑制T7 RNA聚合酶的基本表达,从而稳定编码影响细胞生长和活力的靶蛋白的pET重组体。
基因型:F-ompT hsdSB(rB- mB-) gal dcm (DE3) pLysS (CamR)
本品含有转基因生物(GMO)。在欧盟范围内,转基因物种分别受欧洲议会和理事会的2001/18 /EC和2009/41/EC指令及其成员国中国家所实施规范的约束。该法规规定我们有义务索取您以及处理转基因生物的机构的相关信息。请点击这里获得最终用户声明(EUD)表格。
本品含有转基因生物(GMO)。在欧盟范围内,转基因物种分别受欧洲议会和理事会的2001/18 /EC和2009/41/EC指令及其成员国中国家所实施规范的约束。该法规规定我们有义务索取您以及处理转基因生物的机构的相关信息。请点击这里获得最终用户声明(EUD)表格。
BL21宿主菌株,表达T7 RNA聚合酶,也编码T7溶菌酶,在诱导前抑制毒性靶蛋白的基本表达。
Other Notes
0.4 ml1 ml成分
•2 × 0.2 ml5 × 0.2 mlBL21(DE3)pLysS感受态细胞
•2 × 2 ml4 × 2 mlSOC培养基
•2 ng2 ng测试质粒
•2 × 0.2 ml5 × 0.2 mlBL21(DE3)pLysS感受态细胞
•2 × 2 ml4 × 2 mlSOC培养基
•2 ng2 ng测试质粒
Legal Information
NOVAGEN is a registered trademark of Merck KGaA, Darmstadt, Germany
Disclaimer
This product is sold for internal research use only. Any commercial use of this product, its components, and/or any derivatives thereof (including but not limited to proteins produced using the product or its components) (together and hereinafter the “EMD Product”) requires signature of a written commercial use agreement with EMD Millipore Corporation or its successor-in-interest. Commercial use shall include but not be limited to: (1) use of the EMD Product to manufacture products for sale to third parties; (2) use of the EMD Product to provide services, information, or data to third parties in exchange for consideration; (3) use of the EMD Product for therapeutic, diagnostic or prophylactic purposes (including as part of a device, chip, assay or other product); or (4) resale of the EMD Product, whether or not such EMD Product is resold for research use. Nothing contained herein shall be deemed to represent or warrant that additional third party rights are not required for use of the EMD Product. Please direct any questions on these use restrictions to: licensing@milliporesigma.com.
毒性:多个毒性值,请参阅MSDS(O)
存储类别
10 - Combustible liquids
wgk
WGK 2