Page 232 - Veterinary Immunology, 10th Edition

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FIG. 8.8 The major types of cytokine receptors. In all cases,
protein kinases are activated by ligand binding. For example,
growth factor receptors associate in the presence of their ligand to
form a dimer. This brings the two tyrosine kinases on the
cytoplasmic domains close together. The enzymes then activate

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