Research Article

Preparation and Characterization of a Novel Chimeric Protein VEGI-CTT in Escherichia coli

Figure 1

Schematic representation of the cloning steps of VEGI-CTT fragment into the expression vector pET30a(+). (a) The vector Psw200 containing full-length VEGI gene was used to amplify recombinant cDNA of human VEGI-CTT for 483 bp by PCR. The recombinant cDNA of human VEGI-CTT was cloned into pGEM-T, and produced pGEM-T-VEGI-CTT. (b) pET30a(+) vector with His-tag upstream of the multiple cloning site that contains XbaI and XhoI. (c) pET30a(+) carrying XbaI-XhoI fragment of VEGI-CTT to produce pET30a(+)-VEGI-CTT. The resulting fusion gene contains internal His-tag and VEGI-CTT.
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