Immunogen sequence: RTDLTVLVAH NDDPTDQMFV FFPEEPKVGI KTIKVYCQRM QEENITRALI VVQQGMTPSA KQSLVDMAPK YILEQFLQQ Highest antigen sequence identity to the following orthologs: Mouse - 99%, Rat - 99%. This gene encodes the fifth largest subunit of RNA polymerase