Term Name:	MAP kinase kinase activity
Synonyms:	ATP:protein phosphotransferase (MAPKKK-activated) activity, ERK activator kinase activity, MAP kinase kinase 4 activity, MAP kinase kinase 7 activity, MAP kinase or ERK kinase activity, MAP2K, MAPK activator activity, MAPKK, MAPKK activity, MAPKK1, MEK activity, MEK1, MEK2, mitogen-activated protein kinase kinase activity, MKK, MKK2, MKK4, MKK6, MKK7, STK27
Definition:	Catalysis of the concomitant phosphorylation of threonine (T) and tyrosine (Y) residues in a T-X-Y motif in the activation loop of a MAP kinase (MAPK) substrate.
Ontology:	GO: Molecular Function [GO:0004708]    QuickGO    AmiGO