Immunogen sequence: LEHLDNLRLNL TNTKQNFFSQ TPILQALQHV QASCDEAHKM KFSDLFSLAE EYEDSSTKPP KSRRKAALSS PRSRKNATQP Highest antigen sequence identity to the following orthologs - mouse 99%, rat 98%. Component of the Integrator complex. The Integrator complex is