Figure 6
From: Enhanced cell-permeant Cre protein for site-specific recombination in cultured cells
Intracellular localization of fluorescent Cre fusion proteins. Alexa 488-labeled HNC or HC proteins (1 μM) were incubated with Cos7 or NIH3T3 cells for 1.5 hr, and the living cells were directly visualized by fluorescence microscopy (green fluorescence, left panels). Cell nuclei counter stained with DAPI (blue fluorescence) are shown in the right panels and the merged images are shown in the middle panels.