Electron Microscopy / Membrane Proteins / Cell Biology / Transcription Factors / Biological Sciences / Humans / HeLa cells / The cell / Eukaryotic Cells / Membrane Protein / Monoglycerides / Lysosomes / DNA binding proteins / Endosomes / Protein Transport / Protein Sorting / Humans / HeLa cells / The cell / Eukaryotic Cells / Membrane Protein / Monoglycerides / Lysosomes / DNA binding proteins / Endosomes / Protein Transport / Protein Sorting