Cells {antigen-presenting cell} can contact T cells, to present protein fragments {supramolecular activation cluster, antigen} that they removed from viruses or bacteria, and so activate T cells. Supramolecular-activation clusters have outer rings for adhesion and central spots for recognition. Proteins move to form patterns, using cytoskeletons.
4-Zoology-Organ-Immune System-Immunity Types
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Date Modified: 2014.1008
Description: 4-Zoology-Organ-Immune System-Cells-T Cells