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. 1999 Apr 13;96(8):4581–4585. doi: 10.1073/pnas.96.8.4581

Figure 4.

Figure 4

The effect of sequence polymorphism in the RANTES promoter region on promoter activity in SW480 and U937 cells. The promoter regions inserted into the pGL3-Basic vector are shown by solid lines with the first and last nucleotides indicated. Nucleotides at the two polymorphic positions (−403 and −28) are indicated. Boxes indicate firefly luciferase ORFs. The relative luciferase activity of each construct is represented by solid bars. Data shown are representative of four independent experiments with similar results. Error bars account for fluctuations between measurements of relative luciferase activity in two independent clones of each construct.