has subject area Biological Transport, Active - Active Transport, Cell Nucleus Carrier Proteins - ran GTP-Binding Protein Carrier Proteins - ran GTP-Binding Protein Cell Line Cellular Structures - Cell Nucleus GTP Phosphohydrolases - ran GTP-Binding Protein Gene Transfer Techniques - Transfection Humans Kidney Membrane Proteins - ran GTP-Binding Protein Nuclear Proteins - ran GTP-Binding Protein Organelles - Cell Nucleus Peptides - ran GTP-Binding Protein Protein Transport - Active Transport, Cell Nucleus Proteins - ran GTP-Binding Protein RNA, Messenger Recombinant Proteins Recombination, Genetic - Transfection