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. 2018 Feb 16;8:3155. doi: 10.1038/s41598-018-21194-3

Figure 10.

Figure 10

Preferential binding of Twist1/E12 or Twist1/E47 to E2 and E5. Double-stranded synthetic oligonucleotides containing the E-box were end-labelled with biotin and used as a probe for EMSA. The oligonucleotides sequences used in EMSA (E1E2, E1M2, M1E2, and E5) are shown in Table 2. Results shown in (a) and (b) are from assays using the oligonucleotides containing the consensus E-box sequences (E1E2 and E5) and mutated oligonucleotides (E1M2, M1E2, and M5), respectively. Biotin-labelled probes were incubated with nuclear extracts from HEK293T cells transfected with the empty vector pcDNA3 as a control, or expression vectors encoding the FLAG fusion of human E12 (fhE12), mouse E12 (fmE12), mouse E47 (fmE47), and mouse Twist1 (fmTwi). Binding reactions were performed in the presence or absence of non-labelled oligonucleotides as binding competitors (Comp) or an anti-FLAG antibody (Ab). The positions of shifted and super-shifted bands are shown with black and hollowed arrowheads, respectively.