https://www.ncbi.nlm.nih.gov/Structure/pdb/5KCC
5KCC: Crystal Structure of the ER-alpha Ligand-binding Domain (Y537S) in Complex with Oxabicyclic...
Estrogen receptorNCOA2(1S,2R,4S)-5,6-bis(4-hydroxyphenyl)-N-phenyl-7-oxabicyclo[2.2.1]hept-5-ene-2-sulfonamide