Nuclear Localization Signals article 8 cell nucleus 8 controlled study 8 nonhuman 8 nuclear localization signal 8 Active Transport, Cell Nucleus 6 nuclear import 6 protein localization 6 protein transport 6 unclassified drug 6 Cell Nucleus 4 Cytosol 4 Dehydration 4 Lycopersicon esculentum 4 Plant Proteins 4 Protein Multimerization 4 cell assay 4 chaperone 4 confocal microscopy 4 cytosol 4 dimer 4 dimerization 4 homodimer 4 immunodetection 4 in vitro study 4 in vivo study 4 lysine 4 nuclear pore 4 polyacrylamide gel electrophoresis 4