passages.id: split_4_test_16_passage
passages.type: progene_text
passages.text: Additional analysis of the - 207 to - 124 bp promoter interval led to the identification of two potential binding sites for hepatocyte nuclear factor-3 ( HNF-3 ) located at - 168 to - 157 bp ( site X ) and - 145 to - 134 bp ( site Y ) .