Positive Samples: BT-474, MCF7, SH-SY5Y, Rat skeletal muscle ; Cellular Location: Cytoplasm, Nucleus Immunogen sequence: ATGRFPYPKW NSVFDQLTQV VKGDPPQLSN SEEREFSPSF INFVNLCLTK DESKRPKYKE LLKHPFILMY EERAVEVACY VCKILDQMPA TPSSPMYVD. MAP2K4 (MEK4) serine/th