ERK 1 | p44 MAPK | MAPKAP-K1, MNKs, MSKs, Elk1 | Defective T cell development |
ERK 2 | p42 MAPK | MAPKAP-K1, MNKs, MSKs, Elk1 | |
ERK 3α | p63 MAPK | MNKs, MSKs | |
ERK 3β | human ERK3 | MNKs, MSKs | |
ERK 4 | ERK1b | MNKs, MSKs | |
ERK 5 | | MNKs, MSKs | |
ERK 7 | | MNKs, MSKs | |
JNK 1 | SAPKγ | c-Jun, JunD, ATF-2, Elk1 | Defective T cell differentiation to Th2 cells |
JNK 2 | SAPKα | c-Jun, JunD, ATF-2, Elk1 | Defective T cell differentiation to Th1 cells |
JNK 3 | SAPKβ | c-Jun, JunD, ATF-2, Elk1 | Resistance to excitotoxic neuronal cell death |
p38α | CSBP, SAPK2 MPK2, RK, Mxi2 | MAPKAP-K2/3, MSKs, ATF-2, Elk1, MEF2c | Placental defect, insufficient production of erythropoietin |
p38β | p38–2, p38β2 | MAPKAP-K2/3, MSKs, ATF-2 | |
p38γ | ERK6, SAPK3 | ATF2 | |
p38δ | SAPK4 | ATF2 | |