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. 2013 Nov 18;110(50):19995–20002. doi: 10.1073/pnas.1320029110

Fig. 3.

Fig. 3.

Phosphomimetic mutation of serines 186 and 188, but not 181, leads to increased binding of Sec15p and a corresponding decrease in binding of Ypt32p-GTP. (AC) GST-Sec2p, His6-Sec15p, and His6-Ypt32p were purified from bacteria. Sec15p and Ypt32p were eluted. Ypt32p was preloaded with GTPγs and then was incubated with GST-Sec2p immobilized on glutathione beads. Bound proteins were detected with anti-Sec15p antibody or anti-Ypt32p antibody. GST-Sec2 was detected with anti-GST antibody.