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Saf 5′ untranslated region and transcription factor binding sites. Saf promoter sequence (nucleotides −820 to –23 bp relative to Saf transcriptional start site) used in luciferase reporter assays. Underlined sequences are binding sites for GATA-1, KLF1, NF-κB, SP1, ETS, and c/EBPβ (CCAAT-enhancer binding protein).
