Fig. 6.
AKT1 directly interacts with zEtv2 and zScl. (A,B) AKT1 interacts with zEtv2 and zScl. HEK293T cells transfected with the indicated plasmids were harvested for immunoprecipitation with anti-Flag antibody and western blot analyses. (C) Overexpressed AKT1 interacts with endogenous zEtv2 and zScl. Wild-type embryos were injected with 200 pg Flag-AKT1 mRNA at the one-cell stage, and then harvested for immunoprecipitation with anti-Flag antibody. (D,E) Direct binding of AKT1 to zEtv2 or zScl in vitro. GST, GST-AKT1, GST-zEtv2 (236-345) and GST-zScl were expressed in bacterial cells and purified. The purified GST-fusion proteins GST-zEtv2 (236-345) and GST-zScl were then treated with thrombin to cleave their GST tags, after which they were incubated with GST-AKT1. The pull-down fraction was separated with SDS-PAGE and analyzed by Coomassie Blue staining.