Contact: Alisa Z Machalek
NIH/National Institute of General Medical Sciences
Caption: Step 1: Endocytosis allows cells (blue-green) to import proteins and other particles (pink). Step 2: The membrane bends inward like a catcher's mitt to receive the cargo. Step 3: Coils of dynamin protein (orange) seal the cargo into a compartment within the cell. The current research reveals new details about this part of the process. Step 4: At the completion of endocytosis, the cell has fully internalized the cargo within a bubble known as a vesicle.
Credit: National Institute of Child Health & Human Development, NIH
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