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pACT2 AD
載體描述:
pACT2 generates a fusion of the GAL4 AD （amino acids 768881）, a HA epitope tag, and a protein of interest （or protein encoded by a cDNA in a fusion library） cloned into the MCS in the correct orientation and reading frame. pACT2, which is derived from pACT, contains a unique EcoR I site in the MCS. The hybrid protein is expressed at high levels in yeast host cells from the constitutive ADH1 promoter （P）; transcription is terminated at the ADH1 transcription termination signal （T）. The protein is targeted to the yeast nucleus by the nuclear localization sequence from SV40 T-antigen which has been cloned into the 5' end of the GAL4 AD sequence. pACT2 is a shuttle vector that replicates autonomously in both E. coli and S. cerevisiae and carries the bla gene, which confers ampicillin resistance in E. coli. pACT2 also contains the LEU2 nutritional gene that allows yeast auxotrophs to grow on limiting synthetic media. Transformants with AD/library plasmids can be selected by complementation by the LEU2 gene by using an E. coli strain that carries a leuB mutation （e.g., HB101）.
質(zhì)粒圖譜:
