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pRetroX-PTuner

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  • 产品名称:pRetroX-PTuner
  • 产品型号:
  • 产品展商:HZbscience
  • 产品文档:无相关文档
  • 发布时间:2017-07-27
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简单介绍
pRetroX-PTuner的各批次质粒菌株发货前均经过严格的多重验证,如存在质量问题,请在收到产品的三个月内通知我司。收到pRetroX-PTuner后请短暂离心,取2μl转化至对应感受态中,挑取单克隆重新提取质粒后使用。
产品描述

pRetroX-PTuner载体基本信息

载体名称: pRetroX-PTuner
质粒类型: 逆病毒载体;双顺反子
高拷贝/低拷贝: 高拷贝
克隆方法: 限制性内切酶,多克隆位点
启动子: CMV IE
载体大小: 6229 bp
5' 测序引物及序列: --
3' 测序引物及序列: --
载体标签: DD tag (N-端)
载体抗性: 氨苄青霉素
筛选标记: 嘌呤霉素(Puromycin)
克隆菌株: DH5α,推荐Stellar
宿主细胞(系): 常规细胞系(293、CV-1、CHO等)
备注: 逆病毒载体pRetroX-PTuner载体表达N端DD标签融合蛋白;
DD标签是一个大小为12KD的FKBP (L106P)去稳定结构域,带有DD标签的目的蛋白将很快被降解;
向培养基中加入Shield1配体后,情况将发生逆转,细胞中目的蛋白的量则迅速提高。
产品目录号: 631463
稳定性: 稳表达
组成型/诱导型: 组成型
病毒/非病毒: 逆转录病毒

pRetroX-PTuner载体质粒图谱和多克隆位点信息

pRetroX-PTuner载体图谱



pRetroX-PTuner 多克隆位点

pRetroX-PTuner 载体特征

pRetroX-PTuner载体简介

pRetroX-PTuner载体描述 pRetroX-PTuner is a bicistronic, retroviral expression vector that allows you to precisely regulate the amount of your protein of interest in stably transduced mammalian cells. The vector encodes a 12 kDa, FKBP (L106P) destabilization domain (DD; 1) that is expressed as an N-terminal tag on your protein of interest; this domain causes the rapid degradation of any protein to which it is fused. Once expressed, the amount of DD-tagged protein present in the cell can be rapidly increased by the addition of Shield1 stabilizing ligand to the medium. Shield1 is a membrane permeable molecule that binds to the DD tag, 'shielding' the fusion protein from proteasomal degradation. pRetroX-PTuner allows the simultaneous expression of your DD-tagged protein of interest and puromycin acetyltransferase (PAC; for puromycin resistance (Puror)) from the same bicistronic mRNA transcript. Because PAC (i.e., Puror) is unaffected by the DD tag, it can be used as a selection marker.

Bicistronic expression of PAC and the DD-tagged protein of interest is facilitated by the encephalomyocarditis virus (EMCV) internal ribosome entry site (IRES). This IRES allows cap-independent translation of PAC (Puror) from an internal start site at the IRES/Purorjunction (2). A gene cloned into the multiple cloning site (MCS), located between the DD and the IRES sequences, is expressed as a bicistronic message transcribed from the 5’ LTR.

pRetroX-PTuner is derived from the pMIN series of retroviral vectors (3, 4). These optimized vectors have the ability to produce high viral titers, and high levels of recombinant protein. In addition, because they lack retroviral structural genes (gag, pol, and env) necessary for retroviral particle formation and replication, these vectors exhibit improved safety profiles.

pRetroX-PTuner contains all of the necessary viral RNA processing elements; these include the 5’ and 3’ LTRs, the packaging signal (Ψ), and the tRNA primer-binding site. pRetroX-PTuner also contains a ColE1 origin of replication, and an E. coli Ampr gene for propagation and selection in bacteria

pRetroX-PTuner is available in the Retro-X ProteoTuner Shield System N . It is designed to efficiently deliver and co-express your DD-tagged protein of interest and puromycin acetyltransferase (Puror) in any mitotically active mammalian cell. In order to create your DD-tagged protein of interest, your gene of interest must be cloned into the MCS in the same reading frame as the DD tag sequence, and it must contain a stop codon at the end of its coding sequence.
In order to infect mammalian cells with pRetroX-PTuner, the vector must be transfected into a packaging cell line, such as the RetroPack PT67 Cell line, AmphoPack-293, EcoPack2-293 , Pantropic Retroviral Expression System , or Retro-X Universal Packaging System . These cell lines package RNA transcribed from the vector into infectious, replication-incompetent, retroviral particles. Such retroviral particles can transduce target cells and transmit the gene of interest, but cannot replicate within these cells due to the absence of viral structural genes. The separate introduction and integration of the structural genes into the packaging cell line minimizes the chance of producing replication-competent virus due to recombination events during cell proliferation.
When cells expressing a DD-tagged protein of interest are grown in medium containing Shield1, the ligand binds to the DD tag and protects the fusion protein from degradation. As a result, the protein quickly accumulates inside the cells in amounts that are directly proportional to the concentration of Shield1 in the medium. If the cells are subsequently grown in medium lacking Shield1, the DD tag is no longer stabilized, and the fusion protein is rapidly degraded. Because the effects of Shield1 are concentration-dependent
and reversible, it is possible to fine-tune the amount of fusion protein present in the cells simply by adjusting the concentration of Shield1 in the medium (1). Propagation in E. coli Suitable host strains: Stellar Competent Cells.
 Selectable marker: plasmid confers resistance to ampicillin (100 μg/ml) in E. coli hosts.
 E. coli replication origin: ColE1
 Copy number: high 

pRetroX-PTuner载体序列

hz-6074R MIA2  黑色素瘤抑制活性蛋白2抗体
hz-6075R MTSS1  肿瘤转移抑制蛋白1
hz-6076R MTUS1/Angiotensin II Type 2 Receptor  血管紧张素Ⅱ2型受体相互作用蛋白抗体
hz-6077R NIT1  腈水解酶1抗体
hz-6078R RASSF3  Ras相关区域家族1A抗体
hz-6079R NPR2L/G21 protein  G21蛋白质抗体
hz-6080R XAB2/SYF1  XAB2蛋白抗体
hz-6081R PDGFRL  血小板源性生长因子受体β样蛋白抗体
hz-6082R PDSS2  抑癌蛋白DLP1抗体
hz-6083R PHAP1  蛋白磷酸酶2A抑制剂1抗体
hz-6084R POU6F2  转录因子RPF1抗体
hz-6085R PRKCDBP  蛋白激酶C delta结合蛋白抗体
hz-6086R Pinin  桥粒相关蛋白DRS抗体
hz-6088R RASAL1  RAS蛋白样激活剂1抗体
hz-6090R RBM5/LUCA15  肿瘤抑制基因LUCA15抗体

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