PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12060594-4 2002 n-Tetraalkylammonium compounds showed similar affinities for the two homologs, with IC50 values for inhibition of OCT1- and OCT2-mediated [3H]TEA transport, respectively, of 4,538 and 1,395 microM for tetramethylammonium, 88.5 and 3.9 microM for tetrapropylammonium, 13.9 and 5.3 microM for tetrabutylammonium, and 8.8 and 7.6 microM for tetrapentylammonium. tetrabutylammonium 291-309 solute carrier family 22 member 2 Oryctolagus cuniculus 124-128