FIGURE 2.
R164Q mutation disrupted the interaction of PKR2-IL2 to Gα-protein. A, GST or GST fusion proteins with IL2 of WT, H159Q, and R164Q-PKR2 were used to pulldown Gαq-protein. B, GST or GST fusion proteins with IL2 of PKR2 were used to pulldown WT or truncated Gαq-protein without the C-terminal five amino acids (Gαq-ΔC5). C, GST or GST fusion proteins with IL2 of WT and R164Q-PKR2 were used to pulldown Gαqi5-protein. The proteins were analyzed by Western blotting with anti-HA antibody to detect the HA tag at the N terminus of Gα-proteins.