PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16038872-0 2005 Structure-affinity relationship in the interactions of human organic anion transporter 1 with caffeine, theophylline, theobromine and their metabolites. Theobromine 118-129 solute carrier family 22 member 6 Homo sapiens 61-88