PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10027858-9 1999 trans-Stimulation studies revealed that TEA, tetrapropylammonium, tetrabutylammonium, as well as tributylmethylammonium trans-stimulated TEA uptake mediated by hOCT1. tetrapropylammonium 45-64 solute carrier family 22 member 1 Homo sapiens 160-165