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pHISi 载体图谱序列大小抗性价格报价Biovector Inc.

  • 价  格:¥1920
  • 货  号:Biovector102239
  • 产  地:北京
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pHISi 载体

基本信息

出品公司:Clontech
质粒类型:酵母单杂交系统
启动子:minHIS3
载体抗性:Ampicillin
筛选标记:URA3
产品编号产品名称规格价格


Biovector102239

pHISi

5ug质粒

¥1920.00

pHISi is a yeast integration and reporter vector for use with the MATCHMAKER One-Hybrid System. pHISi contains the yeast HIS3 gene downstream of the MCS and the minimal promoter of the HIS3 locus (PminHIS). Cis-acting sequences of interest (i.e., target elements) can be inserted into the MCS. Without activation by a target element, constitutive HIS3 expression from PminHIS is very low in yeast, but allows enough growth to select for integration when constructing HIS3 reporter strains. During library screening, the leaky expression of HIS3 is controlled by adding 3-AT to the medium.

The yeast URA3 and HIS3 genes of pHISi can be used as selectable markers for integration into the nonfunctional ura3 and his3 loci, respectively, of the YM4271 host strain. Before integrating, the vector is linearized at the Xho I or Afl II sites (his3 locus) or at the Apa I site (ura3 locus). The Kpn I site cannot be used for integration because it cuts within the coding region of the HIS3 gene, and that region is deleted in YM4271. pHISi cannot replicate autonomously in yeast. The plasmid contains a bacterial Col E1 origin (ori) and the ampicillin resistance gene (Ampr) for propagation and selection in E. coli. Unique restriction sites are in bold.


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