a-Bungarotoxin is a potent inhibitor for the motor endplate acetylcholine receptor. Fluorescent conjugates of a-bungarotoxin can be used to label neuromuscular junctions (Fig. 4). We offer a a-bungarotoxin conjugates of CF® dyes with colors ranging from blue to near-IR fluorescence, plus biotin and other labels. Many CF® dyes are compatible with super resolution imaging by SIM, STED, and STORM; visit biotium.com to learn more