70956 Sigma-AldrichRosetta™(DE3)pLysS Competent Cells - Novagen
Rosetta host strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. coli. T7 lysozyme expression suppresses basal T7 expression.
More>> Rosetta host strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. coli. T7 lysozyme expression suppresses basal T7 expression. Less<<Rosetta™(DE3)pLysS Competent Cells - Novagen: Ficha de datos de seguridad (MSDS o SDS), certificado de análisis y de calidad (CoA y CoQ), expedientes, folletos y otros documentos disponibles.
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Descripción
Precios y disponibilidad
| Número de referencia | Disponiblidad | Embalaje | Cant./Env. | Precio | Cantidad | |
|---|---|---|---|---|---|---|
| 70956-3 |
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Ampolla de plást. | 0.4 ml |
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| 70956-4 |
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Frasco de vidrio | 1 ml |
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| Description | |
|---|---|
| Overview | Rosetta™ host strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. coli. These strains supply tRNAs for AGG, AGA, AUA, CUA, CCC, GGA codons on a compatible chloramphenicol-resistant plasmid. Thus the Rosetta strains provide for “universal” translation which is otherwise limited by the codon usage of E. coli. The tRNA genes are driven by their native promoters. In Rosetta(DE3)pLysS, the rare tRNA genes are present on the same plasmids that carries the T7 lysozyme gene.
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. |
| Genotype: F- ompT hsdSB(rB- mB-) gal dcm (DE3) pLysSRARE (CamR)
This product contains genetically modified organisms (GMO). Within the EU GMOs are regulated by Directives 2001/18/EC and 2009/41/EC of the European Parliament and of the Council and their national implementation in the member States respectively. This legislation obliges MilliporeSigma to request certain information about you and the establishment where the GMOs are being handled. Click here for Enduser Declaration (EUD) Form. 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. |
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| Catalogue Number | 70956 |
| Brand Family | Novagen® |
| Product Information | |
|---|---|
| Components | |
| Quality Level | MQ100 |
| Storage and Shipping Information | |
|---|---|
| Ship Code | Dry Ice Only |
| Toxicity | Multiple Toxicity Values, refer to MSDS |
| Storage | ≤ -70°C |
| Do not freeze | Ok to freeze |
| Global Trade Item Number | |
|---|---|
| Número de referencia | GTIN |
| 70956-3 | 04055977256178 |
| 70956-4 | 04055977256185 |