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OGS553

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PSF-OXB1 - WEAK STRENGTH BACTERIAL PROMOTER PLASMID

plasmid vector for molecular cloning

同義詞:

cloning vector, expression vector, molecular cloning vector, plasmid, plasmid vector, snapfast vector, vector

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About This Item

分類程式碼代碼:
12352200
NACRES:
NA.85

重組細胞

expressed in E. coli

形狀

buffered aqueous solution

分子量

size 3859 bp

菌種選擇

kanamycin

複製起點

pUC (500 copies)

肽切割

no cleavage

啟動子

Promoter name: OXB1
Promoter activity: constitutive
Promoter type: bacterial

報告基因

none

運輸包裝

ambient

儲存溫度

−20°C

一般說明

This plasmid contains a weak bacterial promoter for expression in E. coli. It has been derived by modifying the AraBAD (arabinose operon) promoter to remove the AraC repressor site. When tested this promoter was found to be very weak in comparison to most other bacterial promoters including those in our product range. For this reason the promoter is called OXB1 in our collection of bacterial promoters that extend from OXB1 to OXB20 with OXB20 being the strongest. These promoters do not require induction for expression.

Promoter Expression Level: This plasmid contains a weak constitutive E. coli promoter that was derived from the Arabinose operon. It is part of our constitutive bacterial promoter range. This promoter (OXB1) shows the lowest level of expression in the range with OXB20 showing the highest level of expression. They require no inducing agent for expression.

應用

Cloning in a gene: This plasmid has been designed to be compatible with a range of cloning techniques. The multiple cloning site contains a range of standard commonly used restriction sites for cloning. Using these sites genes can be inserted using standard cloning methods with DNA ligase. Other methods such as ligase independent cloning (LIC) Gibson Assembly InFusionHD or Seamless GeneArt can also be used and because all of our plasmids are based on the same backbone the same method can be used for cloning into all of our catalogue vectors.

Multiple cloning site notes: There are a few important sites within the MCS. These include the NcoI site the XbaI site and the BsgI and BseRI sites. The NcoI site contains a start codon that is immediately downstream of both a Kozak and Shine-Dalgarno ribosomal binding site. These allow for optimal positioning of genes when the start codon is placed in this location. If this is not required and you wish to use a downstream site for gene cloning you can remove the NcoI site by cleaving the plasmid with KpnI.

The XbaI site contains a stop codon. This stop codon is positioned in a specific position in relation to the BsgI and BseRI sites that are immediately downstream. When either BseRI or BsgI cleave the plasmid they produce a TA overhang from the stop codon in the XbaI site that is compatible with all of our peptide tag plasmids cut with the same sites. BseRI and BsgI sites are non-palindromic and cleave a defined number of bases away from their binding site.

Whenever we clone a gene into our multiple cloning site we always position the start and stop codon in the same positions in the MCS. If the start and ends of the genes are not compatible with NcoI and XbaI we extend the sequence to the nearest external sites but keep the start and stop codons locations consistent.

序列

To view sequence information for this product, please visit the product page

分析報告

To view the Certificate of Analysis for this product, please visit www.oxgene.com

相關產品

產品號碼
描述
訂價

儲存類別代碼

12 - Non Combustible Liquids

閃點(°F)

Not applicable

閃點(°C)

Not applicable


分析證明 (COA)

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Alexander C Cerny et al.
PLoS genetics, 11(10), e1005578-e1005578 (2015-10-29)
Recycling of signaling proteins is a common phenomenon in diverse signaling pathways. In photoreceptors of Drosophila, light absorption by rhodopsin triggers a phospholipase Cβ-mediated opening of the ion channels transient receptor potential (TRP) and TRP-like (TRPL) and generates the visual
Geoffrey M Lynn et al.
Nature biotechnology, 33(11), 1201-1210 (2015-10-27)
The efficacy of vaccine adjuvants such as Toll-like receptor agonists (TLRa) can be improved through formulation and delivery approaches. Here, we attached small molecule TLR-7/8a to polymer scaffolds (polymer-TLR-7/8a) and evaluated how different physicochemical properties of the TLR-7/8a and polymer
Diana Romero et al.
Carcinogenesis, 37(1), 18-29 (2015-10-28)
Dickkopf-3 (Dkk-3) is a secreted protein whose expression is downregulated in many types of cancer. Endogenous Dkk-3 is required for formation of acini in 3D cultures of prostate epithelial cells, where it inhibits transforming growth factor (TGF)-β/Smad signaling. Here, we
Jin-Gyoung Jung et al.
PLoS genetics, 10(10), e1004751-e1004751 (2014-10-31)
The Notch3 signaling pathway is thought to play a critical role in cancer development, as evidenced by the Notch3 amplification and rearrangement observed in human cancers. However, the molecular mechanism by which Notch3 signaling contributes to tumorigenesis is largely unknown.

文章

SnapFast™ 質粒系統可消除 DNA 切片中的限制性位點,確保分子克隆的靈活性和功能性。

SnapFast™ plasmid system eliminates restriction sites in DNA sections, ensuring flexibility and functionality in molecular cloning..

Versatile sequencing primers enable sequencing of inserts in plasmids at specific positions, aiding in molecular biology research.

Plasmid platform with interchangeable DNA components offers versatile research tools for genetic studies.

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