Interior of a Cell (IMAGE) Emory Health Sciences Caption Interior of a cell showing the nucleus with the chromatin fiber (yellow) arranged in the three-dimensional space by loops formed by the CTCF protein (shown in pink). DNA is represented by thin blue lines on the chromatin. Credit Graphic by Victor Corces. Usage Restrictions Must include credit. 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.