PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23989004-6 2013 By means of mutational analysis, a key role for a stimulating protein-1 (SP1)/guanosine cytidine box in mediating the effect of extracellular thiamine level on SLC19A3 promoter was established. guanosine cytidine 78-96 solute carrier family 19 member 3 Homo sapiens 160-167