Phagocytosis can be viewed as a primitive immune system used by all cells. When a pathogen is near the cell, the cell membrane will deform to engulf the pathogen and dispose of it. Researchers have found that a two-dimensional sheet formed by the protein GAS7 is critical for this process, identifying through crystallography and microscopy two key hydrophilic loops in the protein.
from Latest Science News -- ScienceDaily https://ift.tt/2P5BJK7
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