Fig. 1. Subcellular localization of WRN-, RAD51-, RAD54-, RAD54B- and PCNA-ECFP and EYFP constructs in live cycling HeLa cells. Cells co-transfected with: pictures 1-3: ECFP-RAD51 and EYFP-WRN. Inset picture 1: a stable ECFP-RAD51 expressing cell after 5 weeks in cell culture; pictures 4-6: ECFP-RAD51 and EYFP-PCNA; pictures 7-9: ECFP-RAD54B and EYFP-WRN; pictures 10-12: ECFP-PCNA and EYFP-RAD54B; pictures 13-15: ECFP-RAD54 and EYFP-WRN; pictures 16-18: ECFP-PCNA and EYFP-RAD54; pictures 19-21: ECFP-RAD51 and EYFP-RAD54; pictures 22-24: ECFP-RAD51 and EYFP-RAD54B.