Phalloidin-Janelia Fluor®646 is a red fluorescent F-actin probe. Phalloidin-Janelia Fluor®646 is composed of the F-actin probe, Phalloidin, conjugated to Janelia Fluor®646. It is suitable for use in confocal and super-resolution microscopy techniques such as dSTORM. Excitation emission maximum λ = 646 664 nm.