Immunogen sequence: PSGIHLNNMGP QHQQLSPSAM WPQMHLPDGR AQPGSPESSG QPKGAFGEQF DAKNKLTCSI CLKEFKNLPA LNGHMRSHG Highest antigen sequence identity to the following orthologs - mouse 29%, rat 93%. TREF1 encodes a zinc-finger transcriptional regulating protein