Figure 6.
dDis3 functional regions identified in this work. (Top) dDis3 cell biological features include one N-terminal region that contributes to subcellular localization. The NLS was previously identified (12). (Bottom) dDis3 biochemical features include an N-terminal endoribonucleolytic active site and N-terminal domains that contribute to enzymatic activity overall. The N-terminus also interacts with core exosome proteins, dRrp47, dRrp6 and dImportin-α3. The dDis3 C-terminus contains a region for dRrp6 and Importin-α3 interactions as well. The exoribonuclease activity was previously identified (13).