71345 | Origami™ 2(DE3) Competent Cells

71345
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      Overview

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      Catalogue NumberAvailability Packaging Qty/Pack Price Quantity
      71345-3
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          0.4 ml
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          71345-4
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              1 ml
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              Description
              Overview Origami™ 2 host strains are K-12 derivatives that have mutations in both the thioredoxin reductase (trxB) and glutathione reductase (gor) genes, which greatly enhance disulfide bond formation in the E. coli cytoplasm. The Origami 2 strains are kanamycin sensitive; like the original Origami strains, the gor mutation is still selected for by tetracycline. To reduce the possibility of disulfide bond formation between molecules, strains containing mutations in trxB and gor are recommended only for the expression of proteins that require disulfide bond formation for proper folding.

              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.
              Genotype: Δ(ara-leu)7697 ΔlacX74 ΔphoA PvuII phoR araD139 ahpC galE galK rpsL F′[lac+ lacIq pro] (DE3) gor522::Tn10 trxB (StrR, TetR)
              Catalogue Number 71345
              Brand Family Novagen®
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              Product Information
              Components
              0.4 ml1 mlComponent
              2 × 0.2 ml5 × 0.2 mlOrigami™ 2(DE3) Competent Cells
              2 × 2 ml4 × 2 mlSOC Medium
              2 ng2 ngTest Plasmid
              Guaranteed efficiency 2 × 10⁶ cfu/µg
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              Ship Code Dry Ice Only
              Toxicity Multiple Toxicity Values, refer to MSDS
              Hazardous Materials Attention: Due to the nature of the Hazardous Materials in this shipment, additional shipping chargesmay be applied to your order. Certain sizes may be exempt from the additional hazardous materials shipping charges. Please contact your local sales office for more information regarding these charges.
              Storage ≤ -70°C
              Licence Brookhaven This product is covered under license from Brookhaven National Labs. Commercial entities need to obtain a research use license prior to purchase. Please contact your licensing department to confirm that your company already holds a research use license.
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              Categories

              Life Science Research > Genomic Analysis > Transfection and Protein Expression > Bacterial Expression > Competent Cells for Expression