PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10231387-7 1999 The results indicate that the binding of para-alkylphenols to the estrogen receptor is due to the effect of covalent bonding of two constituents of the phenol and alkyl groups, which correspond to the A-ring and hydrophobic moiety of the steroid structure, respectively. Steroids 238-245 estrogen receptor 1 Homo sapiens 66-83