PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33917029-2 2021 Locally, estrogens can be formed from estrone-sulphate (E1-S) after cellular uptake by organic anion-transporting polypeptides (OATP) or organic anion transporters (OAT). Anions 95-100 solute carrier organic anion transporter family member 1A2 Homo sapiens 128-132