Polyclonal anti-GST is designed to detect glutathione-S transferase ?(GST), a common expression tag used in molecular biology. This product is prepared by labeling high quality polyclonal goat anti-GST IgG (H+L) with the green fluorescent dye CF488A. ?CF488A is a superior alternative to the traditional green fluorescent dye FITC (or fluorescein) owing to its exceptional brightness and photostability. CF488A has brightness and photostability comparable to Alexa Fluor? 488.