Hormone receptor
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A hormone receptor is a receptor molecule that binds to a specific hormone. Hormone receptors are a wide family of proteins made up of receptors for thyroid and steroid hormones, retinoids and Vitamin
Cartoon representation of the human hormone estrogen receptor DBD. DNA = orange and blue. DBD of estrogen receptor = white. Zinc atoms = green.
Inositol trisphosphate
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Inositol trisphosphate or inositol 1,4,5-trisphosphate abbreviated InsP3 or Ins3P or IP3 is an inositol phosphate signaling molecule. It is made by hydrolysis of phosphatidylinositol 4,5-bisphosphate,
PLC cleavage of PIP2 to IP3 and DAG initiates intracellular calcium release and PKC activation.