Description: Cholera toxin B subunit (CTB) binds GM1 ganglioside. Fluorescent CTB is used to label lipid rafts and as a neuronal retrograde tracer. Biotium's CF® dyes have superior brightness and photostability compared to other dyes. Far-red fluorescent CF®647 dye has excitation/emission at 650/665 nm.
Product Origin: Synthetic - Cholera toxin B subunit (recombinant produced in E.coli)