... of the ATP bind-ing domain is mutated to arginine, still interacted withPTI1-4. These data indicate that the kinase activity ofOXI1 is not required for the interaction with PTI1-4.OXI1 interacts ... protein kinase; MAPKK, mitogen-activated protein kinase kinase; MBP, myelin basic protein; OXI1, oxidativesignal-inducible 1; PDK1, 3-phosphoinositide-dependent kinase 1; PTI1, Pto-interacting ... [8,9]. The AGC kinases were named on the basis of theirhomology to the mammalian cAMP-dependent protein kinase A, cGMP-dependent protein kinase G andphospholipid-dependent protein kinase C...