. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "mp2k1_mouse"^^ . "Map2k1"^^ . "Mek1"^^ . "MAPK/ERK kinase 1"^^ . "ERK activator kinase 1"^^ . "Prkmk1"^^ . . "Dual specificity mitogen-activated protein kinase kinase 1"^^ .