71034 Sigma-AldrichRosettaBlue™(DE3)pLysS Competent Cells
RosettaBlue host strains combine high transformation efficiency with enhanced expression of eukaryotic proteins. T7 lysozyme expression suppresses basal T7 expression.
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Übersicht
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Preis & Verfügbarkeit
| Bestellnummer | Verfügbarkeit | Verpackung | St./Pkg. | Preis | Menge | |
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| 71034-3 |
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Kst.-Ampulle | 0.4 ml |
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| 71034-4 |
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Glasflasche | 1 ml |
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| Description | |
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| Overview | RosettaBlue™ host strains are NovaBlue derivatives that combine high transformation efficiency and recA endA lacIq mutations with enhanced expression of eukaryotic proteins that contain codons rarely used in E. coli. These strains supply tRNAs for AGG, AGA, AUA, CUA, CCC, and GGA on a chloramphenicol-resistant plasmid. The tRNA genes are driven by their native promoters. In RosettaBlue(DE3)pLysS, the rare tRNA genes are present on the same plasmid that carries the T7 lysozyme gene. Blue/white screening is not possible with RosettaBlue(DE3) strains due to the presence of the lacZ α-peptide coding sequence in the λDE3 prophage. 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: endA1 hsdR17 (rK12– mK12+) supE44 thi-1 recA1 gyrA96 relA1 lac (DE3) F′[proA+B+ lacIqZΔM15::Tn10] LysSRARE (CamR, TetR)
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 | 71034 |
| Brand Family | Novagen® |
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| Guaranteed efficiency | Guaranteed efficiency: > 1 x 10⁶ cfu/µg |
| Quality Level | MQ100 |
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| Ship Code | Dry Ice Only |
| Toxicity | Standard Handling |
| Storage | ≤ -70°C |
| Do not freeze | Ok to freeze |
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| Specifications |
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| Bestellnummer | GTIN |
| 71034-3 | 04055977272147 |
| 71034-4 | 04055977272154 |
Documentation
RosettaBlue™(DE3)pLysS Competent Cells Analysenzertifikate
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Broschüre
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| Competent Cell Brochure |
Anwendungsvorschriften
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| TB009 Competent Cells |
| TB053 Academic and Non-profit Laboratory Assurance Letter |