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Analysis of the binding site of transcription factor Sp1 with SDM. (A) Schematic diagram of reporter vector; psp-cfsh-M was constructed by mutating the binding site of Sp1 from psp-cfsh. (B) The analysis of relative luciferase activity; pGL3-basic was served as the negative control. The data are presented as mean ± SEM (n = 3) with diverse letters indicating significant differences at p < 0.05.
