K04368  MAP2K1, MEK1; mitogen-activated protein kinase kinase 1 [EC:2.7.12.2]
     K04369  MAP2K2, MEK2; mitogen-activated protein kinase kinase 2 [EC:2.7.12.2]
     K04432  MAP2K3, MKK3; mitogen-activated protein kinase kinase 3 [EC:2.7.12.2]
     K04430  MAP2K4, MKK4; mitogen-activated protein kinase kinase 4 [EC:2.7.12.2]
     K04463  MAP2K5, MEK5; mitogen-activated protein kinase kinase 5 [EC:2.7.12.2]
     K04433  MAP2K6, MKK6; mitogen-activated protein kinase kinase 6 [EC:2.7.12.2]
     K04431  MAP2K7, MKK7; mitogen-activated protein kinase kinase 7 [EC:2.7.12.2]
     K08294  MKK1_2; mitogen-activated protein kinase kinase [EC:2.7.12.2]
     K11226  STE7; mitogen-activated protein kinase kinase [EC:2.7.12.2]
     K11227  PBS2; mitogen-activated protein kinase kinase [EC:2.7.12.2]
     K19763  JKK1; dual specificity mitogen-activated protein kinase kinase JKK-1 [EC:2.7.12.2]
     K20602  MEK1, MKK1; mitogen-activated protein kinase kinase 1 [EC:2.7.12.2]
     K20603  MKK2; mitogen-activated protein kinase kinase 2 [EC:2.7.12.2]
     K20607  MKK3; mitogen-activated protein kinase kinase 3 [EC:2.7.12.2]
     K13413  MKK4_5; mitogen-activated protein kinase kinase 4/5 [EC:2.7.12.2]
     K20604  MKK9; mitogen-activated protein kinase kinase 9 [EC:2.7.12.2]