
Y011008 is a rabbit polyclonal antibody specific for MEK2 (MAP2K2) phosphorylated at Threonine 394, a Raf kinase-mediated activation site in the Ras/Raf/MEK/ERK MAPK cascade. Validated for Western blot (WB), immunohistochemistry-paraffin (IHC-P), and ICC/IF, Y011008 detects active pThr394-MEK2 in human and mouse samples.