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Cellular ABC

X-rays see through cellular process

US biologists have used X-ray diffraction to take a snapshot view of the tiny motor that opens and shuts the cellular portals that allow nutrients to pass into our cells. Jue Chen and colleagues at Purdue University have clarified the connection between the membrane transport proteins and how they utilise a cell’s energy to permit or deny materials entry into the interior of the cell from the outside world.

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