RNA-Binding Protein (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Schematic of a gateway in the nuclear membrane, known as the nuclear pore complex (NPC), and the proteins (shown as spheres) involved in transport and quality control of mRNAs (shown in red). A combination of a multitude of protein-protein interactions enables the cell to distinguish and keep aberrant mRNAs from exiting the nucleus. Credit Credit: Mohammad Soheilypour/Berkeley Lab Usage Restrictions All rights reserved. Non-commercial use only. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.