PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20354141-6 2010 In contrast, the Na(+)-glucose cotransporter SGLT1 mediated efficient plasma membrane glucose transport but no detectable ER uptake, probably because of lack of a sufficient sodium gradient across the ER membrane. Sodium 174-180 solute carrier family 5 member 1 Homo sapiens 45-50