We describe a method to localize fluorescently tagged proteins in electron micrographs. Fluorescence is first localized using photo-activated localization microscopy on ultrathin sections. These images are then aligned to electron micrographs of the same section.
Watanabe, S., Richards, J., Hollopeter, G., Hobson, R. J., Davis, W. M., Jorgensen, E. M. Nano-fEM: Protein Localization Using Photo-activated Localization Microscopy and Electron Microscopy. J. Vis. Exp. (70), e3995, doi:10.3791/3995 (2012).