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pGADT7-Rec2

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产物名称: pGADT7-Rec2
产物型号:
产物展商: XYbscience
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简单介绍

pGADT7-Rec2菌株发货前均经过严格的多重验证，如存在质量问题，请在收到产物的三个月内通知我司。pGADT7-Rec2收到质粒后请短暂离心，加入20μ濒 ddH2O溶解质粒，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。


pGADT7-Rec2  的详细介绍

pGADT7-Rec2

  • 产物信息
  • 基本信息
  • 质粒介绍
  • 质粒图谱
  • 质粒序列

产物信息

产物货号 产物名称 产物规格 优惠价
XY0234 pGADT7-Rec2

20μ濒

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使用说明

信裕质粒平台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，请在收到产物的三个月内通知我司。收到质粒后请短暂离心，加入20μ濒 ddH2O溶解质粒，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。如需获取其他详细信息请登录我司官网查询。

基本信息

启动子: T7,ADH1
复制子: pUC ori
质粒分类: 酵母系列，酵母单杂交载体
质粒大小: 7.6kb
原核抗性: Amp
筛选标记: LEU2
克隆菌株: 顿贬5α
培养条件: 37℃，有氧 LB
表达宿主: 酵母细胞
5'测序引物: T7:TAATACGACTCACTATAGGG
3'测序引物: 根据序列设计引物

质粒介绍

     pGADT7-Rec2 is a cloning vector that can be used in yeast to express a protein of interest as a GAL4 activation domain (GAL4 AD) fusion. Transcription starts with the constitutive ADH1 promoter (PADH1) and ends with the ADH1 termination signal (TADH1). The GAL4 AD sequence includes the SV40 nuclear localization signal (SV40 NLS; 1) so that fusions translocate to the yeast nucleus. GAL4 AD fusions also contain a hemagglutinin (HA) epitope tag. The T7 promoter in pGADT7-Rec2 can be used for in vitro transcription and translation of the HA-tagged fusion protein. It also provides a binding site for sequencing with the T7 Promoter Sequencing Primer.
     pGADT7-Rec2 is a shuttle vector; it can be maintained in both yeast and bacteria. It contains an autonomous replication sequence (ARS4) and a LEU2 nutritional marker for replication and selection in yeast (2, 3). A centromeric sequence (CEN6) is included to ensure proper segregation of the plasmid during cell division (2, 3). For propagation and selection in E. coli, the vector contains a pUC origin of replication (pUC ori) and an ampicillin resistance gene (Ampr).
     pGADT7-Rec2 is derived from pGADT7-Rec, a cloning vector used in the Matchmaker (Two-Hybrid) Library Construction & Screening Kit (Cat. No. 630445). It was constructed by replacing the 2μ ori in pGADT7-Rec with the ARS4 and CEN6 elements. The ARS and CEN elements ensure stable, low-copy propagation of the vector. Unlike pGADT7-Rec, which is able to replicate multiple times during the yeast cell cycle, pGADT7-Rec2, with its ARS and CEN elements, can replicate only once during the cell cycle, so its copy number is restricted. Low-copy plasmids such as pGADT7-Rec2 are preferred for one-hybrid screening because they generate fewer false positives. In the original Matchmaker One-Hybrid System, copy number was restricted not by using low-copy, autonomously replicating plasmids, but by integrating the reporter construct into the yeast genome. With the development of pGADT7-Rec2 (and pHIS2, a low-copy reporter vector), integration is no longer necessary because each plasmid, with its CEN and ARS elements, now behaves like a minichromosome, both mitotically and meiotically.

质粒图谱

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