PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 29530865-4 2018 Using site-directed mutagenesis, generation of chimeric hENTs, and 3H-permeant flux measurements in mutant/chimeric RNA-injected Xenopus oocytes, here we identified the molecular determinants of hENT3 that dictate membrane translocation of 3"-deoxy-nucleoside analogs. Tritium 67-69 solute carrier family 29 member 3 Homo sapiens 195-200 18249546-6 2008 In receptor binding studies with the radioligand [(3)H]-deltorphine II only ent-3 showed considerable delta receptor affinity (K(i)=740 nM). Tritium 50-54 solute carrier family 29 member 3 Homo sapiens 76-81