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. 2015 Oct 26;290(51):30607–30615. doi: 10.1074/jbc.M115.681627

FIGURE 5.

FIGURE 5.

FOXP1 physically interacts with FOXO1 in vivo and in vitro. A, immunoblotting (IB) of HA and FLAG in FLAG immunoprecipitates (IP) from HEK293A cells expressing FLAG-tagged FOXP1 and HA-tagged FOXO1. B, immunoblotting of FOXO1 and FOXP1 in FOXO1 immunoprecipitates from liver tissue of db/db mice infected with Ad-FOXP1. C, GST pulldown experiments with anti-HA antibody as described under “Experimental Procedures” (left panel). Schematic representation of the FOXP1 protein is shown with the various functional domains indicated (right panel). GST-FOXP1 (amino acids 145–653) contains a zinc finger (amino acids 338–361), a leucine zipper (amino acids 378–403), a forkhead domain (amino acids 495–578).