Immunogen sequence: MAAAAAAGSG TPREEEGPAG EAAASQPQAP TSVPGARLSR LPLARVKALV KADPDVTLAG QEAIFILARA AELFVETIAK DAYCCAQQGK RKTLQRRDLD NAIEAVDEFA FLEGTLD; Positive Samples: HeLa, 293T, HepG2, MCF-7, HL-60; Cellular Location: Nucleus. POLE4 is a histone-fold p