Cystoviral polymerase complex protein P7 uses its acidic C-terminal tail to regulate the RNA-directed RNA polymerase P2.
Alphonse S, Arnold JJ, Bhattacharya S, Wang H, Kloss B, Cameron CE, Ghose R. Cystoviral polymerase complex protein P7 uses its acidic C-terminal tail to regulate the RNA-directed RNA polymerase P2. J Mol Biol. 2014 Jul 15; 426(14):2580-93.