LV669 by Applied Biological Materials is a third-generation lentiviral transfer vector (10 µg) with a C-terminal CFP fusion tag (excitation ~434 nm, emission ~477 nm) and Puromycin selection marker, from the Lenti-III-HA backbone series. Spectrally distinct from GFP, YFP, and RFP for multi-color imaging and FRET experiments. Shipped on Ice Pack; store at −20°C.