The mechanism of Hlv Tat-TAR complex Activated TFIH phosphorylates CTD of rNa pol ll RNa Polymerase →cmp Cellular factor Tat-Tar cellular factor complex activates TFIIHTat Cellular factor RNA Polymerase H CTD CTD p The mechanism of HIV Tat-TAR complex Tat-Tar cellular factor complex activates TFIIH Activated TFIIH phosphorylates CTD of RNA pol II