Immunogen sequence: MAPKQDPKPK FQEGERVLCF HGPLLYEAKC VKVAIKDKQV KYFIHYSGWN KNWDEWVPES RVLKYVDTNL QKQRELQKAN QEQYAEGKMR GAAPGKKTSG; Positive Samples: MCF-7, HepG2, THP-1, Mouse brain, Mouse spleen, Mouse testis, Rat brain; Cellular Location: Nucleus. MRG1