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Identification of YY1 binding to the MUC2 gene promoter. Lane 1: PCR amplification products with RNase-free water (Blank control without DNA template). Lane 2: Rabbit IgG antibody was added before PCR amplification (negative control). Lane 3: Anti-YY1 antibody was added before PCR amplification. Lane 4: PCR amplification product with input. Lane 5: Anti-RNA Polymerase II antibody was added before PCR amplification (positive control). Lane M: DL500 DNA marker.
