Assertion: estrogen's receptor | /r/HasProperty | beta
Facets:
Source sentences:
text: This estrogen is mostly activate beta receptors in a 3 to 1 ratio, which inhibits cell proliferation but at a lower rate than E1.
text: The role of estrogens is mostly mediated by two nuclear receptors (ER alpha and ER beta) and a membrane-associated G-protein (GPR30 or GPER), and it is not limited to reproduction, but it extends to the skeletal, cardiovascular and central nervous systems.