(IMAGE) Tokyo Medical and Dental University Caption PQBP5 is an essential structural component of the nucleolus. This 3D image of a single nucleolus shows the interactions among three nucleolar proteins: PQBP5 (green) forms a lattice-like meshwork ball that anchors assembly of fibrillarin (red) and nucleolin (blue). Credit Department of Neuropathology,TMDU Usage Restrictions None 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.