Vector^ PGL4.39[Luc2P/Atf6 Re/Hygro] Vector, Signaling Pathway Analysis (Minimal Promoter-Driven) Firefly Luciferase, Optimized For Expression In Mammalian Cells, report the activity of a variety of pathways using the optimized luc2 firefly luciferase gene in the PGL4 backbone, size: 20ug