pcDNA5⁄FRT vector is a 5.1 kb expression vector designed for use with the Flp-In™ System. This vector features: 1. CMV promoter for high level expression in mammalian cells; 2. ten unique restriction site for easy cloning; 3. FLP Recombination Target (FRT) site for Flp recombinase-mediated integration of the vector into the Flp-In™ host cell line and 4. Hygromycin resistance gene for selection of stable cell lines.