Assertion: estrogen's receptor | /r/HasProperty | bound to antagonist ligands
Facets:
Source sentences:
text: Unliganded (apo) receptors or receptors bound to antagonist ligands turn helix 12 away from the LXXLL-binding surface that leads to preferential binding of a longer leucine-rich motif, LXXXIXXX(I/L), present on the corepressors NCoR1 or SMRT.