CF633 α-bungarotoxin conjugate is α-bungarotoxin labeled with our superior far-red fluorescent dye CF633. α-Bungarotoxin is a polypeptide snake toxin that has high affinity for the nicotinic receptor at the neuromuscular junction. CF633 dye is brighter and far more photostable than Alexa Fluor? 647 when excited by the 633 or 635 nm laser. Download the CF633 flyer for more information.