PKCa phosphorylation of RhoGDI2 at Ser31 disrupts interactions with Rac1 and decreases GDI activity.
Griner EM, Churchill ME, Brautigan DL, Theodorescu D. PKCa phosphorylation of RhoGDI2 at Ser31 disrupts interactions with Rac1 and decreases GDI activity. Oncogene. 2013 Feb 21; 32(8):1010-7.