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Schematic of ICAM-1 promoter structure. Rectangles indicate the location of the potential binding sites for transcription factors AP-1, AP-2, and AP-3 (activating protein-1, -2, and -3), Ets, NF-κB, TRE (tetradecanoyl phorbol acetate responsive element), Sp-1 (promoter selective-1), C/EBP (CAAT enhancer binding protein). The arrow above the initiation codon ATG indicates the translation start site.
