The TOM complex guides precursor proteins from the cell's cytosolic fluid into organelles called mitochondria. Biochemical analyses reveal the architecture of this complex and show how precursor proteins pass through its narrow pores.
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Mokranjac, D., Neupert, W. Architecture of a protein entry gate. Nature 528, 201–202 (2015). https://doi.org/10.1038/nature16318
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DOI: https://doi.org/10.1038/nature16318
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