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. 2007 Nov 14;36(1):179–188. doi: 10.1093/nar/gkm871

Figure 6.

Figure 6.

Localization of SMAD3 functional domains, which interact with FOXA1. Panel A, mammalian two-hybrid assay was used to test the ability of GAL4-fused MH1, GAL4-fused MH2 or GAL4-fised LNKR domains of SMAD3 to interact with a full-length VP16-fused FOXA1 protein. Results with the empty Gal4 plasmid were adjusted to unity and used to normalize all experimental values (Materials and Methods section). Panel B, representative EMSA analysis of interactions between various domains of SMAD3 with FOXA1 on the SpB promoter. Supershifted nucleoprotein complex with anti-FOXA1 antibody is indicated with an arrow (Lane 3, and a longer exposure in Lane 9). Please note that only GST-LNKR does not interfere with formation of nucleoprotein complexes (Lane 8). Asterisks denote P < 0.05.